Taj Mahal (Crown of the Palace), Agra, Uttar Pradesh, India

The Taj Mahal (Meaning Crown of the Palace) is an ivory-white marble mausoleum on the south bank of the Yamuna river in the Indian city of Agra. It was commissioned in 1632 by the Mughal emperor, Shah Jahan (reigned 1628–1658), to house the tomb of his favorite wife, Mumtaz Mahal. The tomb is the centerpiece of a 17-hectare (42-acre) complex, which includes a mosque and a guest house, and is set in formal gardens bounded on three sides by a crenelated wall.

Construction of the mausoleum was essentially completed in 1643 but work continued on other phases of the project for another 10 years. The Taj Mahal complex is believed to have been completed in its entirety in 1653 at a cost estimated at the time to be around 32 million rupees, which in 2015 would be approximately 52.8 billion rupees (US$827 million). The construction project employed some 20,000 artisans under the guidance of a board of architects led by the court architect to the emperor, Ustad Ahmad Lahauri.

The Taj Mahal was designated as a UNESCO World Heritage Site in 1983 for being "the jewel of Muslim art in India and one of the universally admired masterpieces of the world's heritage". Described by Nobel laureate Rabindranath Tagore as "the tear-drop on the cheek of time", it is regarded by many as the best example of Mughal architecture and a symbol of India's rich history. The Taj Mahal attracts 7–8 million visitors a year. In 2007, it was declared a winner of the New 7 Wonders of the World (2000–2007) initiative.

The Taj Mahal was commissioned by Shah Jahan in 1631, to be built in the memory of his wife Mumtaz Mahal, a Persian princess who died giving birth to their 14th child, Gauhara Begum. Construction of the Taj Mahal began in 1632. The imperial court documenting Shah Jahan's grief after the death of Mumtaz Mahal illustrate the love story held as the inspiration for Taj Mahal. The principal mausoleum was completed in 1643 and the surrounding buildings and garden were finished about five years later.

 Emperor Shah Jahan himself described the Taj in these words:

Should guilty seek asylum here, Like one pardoned, he becomes free from sin.
Should a sinner make his way to this mansion, All his past sins are to be washed away.
The sight of this mansion creates sorrowing sighs, And the sun and the moon shed tears from their eyes. In this world this edifice has been made, To display thereby the creator's glory.

 

The Taj Mahal is built on a parcel of land to the south of the walled city of Agra. Shah Jahan presented Maharajah Jai Singh with a large palace in the centre of Agra in exchange for the land.  An area of roughly 1.2 hectares (3 acres) was excavated, filled with dirt to reduce seepage, and levelled at 50 metres (160 ft) above riverbank. In the tomb area, wells were dug and filled with stone and rubble to form the footings of the tomb. Instead of lashed bamboo, workmen constructed a colossal brick scaffold that mirrored the tomb. The scaffold was so enormous that foremen estimated it would take years to dismantle.

The Taj Mahal was constructed using materials from all over India and Asia. It is believed over 1,000 elephants were used to transport building materials. The translucent white marble was brought from Makrana, Rajasthan, the jasper from Punjab, jade and crystal from China. The turquoise was from Tibet and the Lapis lazuli from Afghanistan, while the sapphire came from Sri Lanka and the carnelian from Arabia. In all, twenty-eight types of precious and semi-precious stones were inlaid into the white marble.

According to the legend, Shah Jahan decreed that anyone could keep the bricks taken from the scaffold, and thus it was dismantled by peasants overnight. A 15-kilometre (9.3 mi) tamped-earth ramp was built to transport marble and materials to the construction site and teams of twenty or thirty oxen pulled the blocks on specially constructed wagons. An elaborate post-and-beam pulley system was used to raise the blocks into desired position. Water was drawn from the river by a series of purs, an animal-powered rope and bucket mechanism, into a large storage tank and raised to a large distribution tank. It was passed into three subsidiary tanks, from which it was piped to the complex. The plinth and tomb took roughly 12 years to complete. The remaining parts of the complex took an additional 10 years and were completed in order of minarets, mosque and jawab, and gateway. Since the complex was built in stages, discrepancies exist in completion dates due to differing opinions on "completion". Construction of the mausoleum itself was essentially completed by 1643 while work continued on the outlying buildings. 

The Taj Mahal attracts a large number of tourists. UNESCO documented more than 2 million visitors in 2001, which had increased to about 7–8 million in 2014. A two-tier pricing system is in place, with a significantly lower entrance fee for Indian citizens and a more expensive one for foreigners. Most tourists visit in the cooler months of October, November and February. Polluting traffic is not allowed near the complex and tourists must either walk from parking lots or catch an electric bus. The Khawasspuras (northern courtyards) are currently being restored for use as a new visitor center.

The small town to the south of the Taj, known as Taj Ganji or Mumtazabad, was originally constructed with caravanserais, bazaars and markets to serve the needs of visitors and workmen. Lists of recommended travel destinations often feature the Taj Mahal, which also appears in several listings of seven wonders of the modern world, including the recently announced New Seven Wonders of the World, a recent poll with 100 million votes. The grounds are open from 06:00 to 19:00 weekdays, except for Friday when the complex is open for prayers at the mosque between 12:00 and 14:00. The complex is open for night viewing on the day of the full moon and two days before and after, excluding Fridays and the month of Ramadan. For security reasons  only five items water in transparent bottles, small video cameras, still cameras, mobile phones and small ladies' purse are allowed inside the Taj Mahal.

For More Details - Official Website Of Taj Mahal

The Terracotta Army (Emperor Qin's Terra Cotta Army), Lintong, Xi'an, Shaanxi, China

The Terracotta Army or the "Terra Cotta Warriors and Horses", is a collection of terracotta sculptures depicting the armies of Qin Shi Huang, the first Emperor of China. It is a form of funerary art buried with the emperor in 210–209 BC and whose purpose was to protect the emperor in his afterlife.

The figures, dating from around the late third century BC, were discovered in 1974 by some local farmers in Lintong District, Xi'an, Shaanxi province. The figures vary in height according to their roles, with the tallest being the generals. The figures include warriors, chariots and horses. Current estimates are that in the three pits containing the Terracotta Army there were over 8,000 soldiers, 130 chariots with 520 horses and 150 cavalry horses, the majority of which are still buried in the pits near by Qin Shi Huang's mausoleum. Other terracotta non-military figures were also found in other pits and they include officials, acrobats, strongmen and musicians.

The construction of the tomb was described by historian Sima Qian (145–90 BCE) in his most noted work Shiji, written a century after the mausoleum's completion. Work on the mausoleum began in 246 BCE soon after Emperor Qin (then aged 13) ascended the throne, and the project eventually involved 700,000 workers.  Geographer Li Daoyuan, writing six centuries after the First Emperor's death, recorded in Shui Jing Zhu that Mount Li was a favoured location due to its auspicious geology, "famed for its jade mines, its northern side was rich in gold, and its southern side rich in beautiful jade; the First Emperor, covetous of its fine reputation, therefore chose to be buried there". Sima Qian wrote that the First Emperor was buried with palaces, towers, officials, valuable artifacts and wondrous objects. According to this account, 100 flowing rivers were simulated using mercury, and above them the ceiling was decorated with heavenly bodies below which were the features of the land. Some translations of this passage refer to "models" or "imitations;" however, those words were not used in the original text, which makes no mention of the terracotta army.

High levels of mercury were found in the soil of the tomb mound, giving credence to Sima Qian's account. Later historical accounts suggested that the tomb had been looted by Xiang Yu, a contender for the throne after the death of the first emperor. However, there are indications that the tomb may not have been plundered. The Terracotta Army is part of a much larger necropolis. Ground-penetrating radar and core sampling have measured the area to be approximately 98 square kilometers (38 square miles).

The necropolis was constructed as a microcosm of the emperor's imperial palace or compound, and covers a large area around the tomb mound of the first emperor. The earthen tomb mound is located at the foot of Mount Li and built in a pyramidal shape, and is surrounded by two solidly built rammed earth walls with gateway entrances. The necropolis consists of several offices, halls, stables, other structures as well as an imperial park placed around the tomb mound. The warriors stand guard to the east of the tomb. Up to 5 metres (16 ft) of reddish, sandy soil had accumulated over the site in the two millennia following its construction, but archaeologists found evidence of earlier disturbances at the site. During the excavations near the Mount Li burial mound, archaeologists found several graves dating from the eighteenth and nineteenth centuries, where diggers had apparently struck terracotta fragments. These were discarded as worthless and used along with soil to back fill the excavations

The tomb appears to be a hermetically-sealed space the size of a football pitch. The tomb remains unopened, possibly due to concerns over preservation of its artifacts. For example, after the excavation of the Terracotta Army, the painted surface present on some terracotta figures began to flake and fade. The lacquer covering the paint can curl in fifteen seconds once exposed to Xi'an's dry air and can flake off in just four minutes

The terracotta figures are life-sized. They vary in height, uniform, and hairstyle in accordance with rank. The faces appear different for each individual figure, scholars however have identified 10 basic face shapes. The figures are of these general types: armored warriors; unarmored infantrymen; cavalrymen who wear a pillbox hat; helmeted driver of chariots with more armor protection; spear-carrying charioteers; kneeling archers who are armored; standing archers who are not; as well as generals and other lower-ranking officers. There are however many variations in the uniforms within the ranks, for example, some may wear shin pads while others not; they may wear either long or short trousers, some of which may be padded; and their body armors vary depending on rank, function, and position in formation.  There are also terracotta horses placed among the warrior figures.

Originally, the figures were painted with bright pigments, variously coloured pink, red, green, blue, black, brown, white and lilac. The coloured lacquer finish and individual facial features would have given the figures a realistic feel. However, much of the colour coating had flaked off or become greatly faded. Some scholars have speculated a possible Hellenistic link to these sculptures, due to the lack of life-sized and realistic sculptures prior to the Qin dynasty. They argued that potential Greek influence is particularly evident in some terracotta figures such as those of acrobats, as well as the technique used for casting bronze sculptures

The Terracotta Army was discovered on 29 March 1974 to the east of Xi'an in Shaanxi province by farmers digging a water well approximately 1.6 kilometres (0.99 mi) east of the Qin Emperor's tomb mound at Mount Li (Lishan), a region riddled with underground springs and watercourses. For centuries, occasional reports mentioned pieces of terracotta figures and fragments of the Qin necropolis – roofing tiles, bricks and chunks of masonry.This discovery prompted Chinese archaeologists to investigate, revealing the largest pottery figurine group ever found in China. A museum complex has since been constructed over the area, with the largest pit enclosed within with a large structure.

 For more details - Terracotta Army

Great Wall of China (Wonder Of World), Huairou, China

The Great Wall of China is a series of fortifications made of stone, brick, tamped earth, wood, and other materials, generally built along an east-to-west line across the historical northern borders of China in part to protect the Chinese Empire or its prototypical states against intrusions by various nomadic groups or military incursions by various warlike peoples or forces. Several walls were being built as early as the 7th century BC; these, later joined together and made bigger, stronger, and unified are now collectively referred to as the Great Wall.Especially famous is the wall built between 220–206 BC by the first Emperor of China, Qin Shi Huang. Little of that wall remains. Since then, the Great Wall has on and off been rebuilt, maintained, and enhanced; the majority of the existing wall was reconstructed during the Ming Dynasty. Other purposes of the Great Wall have included border controls, allowing the imposition of duties on goods transported along the Silk Road, regulation or encouragement of trade and the control of immigration and emigration. Furthermore, the defensive characteristics of the Great Wall were enhanced by the construction of watch towers, troop barracks, garrison stations, signaling capabilities through the means of smoke or fire, and the fact that the path of the Great Wall also served as a transportation corridor.

The Great Wall stretches from Shanhaiguan in the east, to Lop Lake in the west, along an arc that roughly delineates the southern edge of Inner Mongolia. A comprehensive archaeological survey, using advanced technologies, has concluded that the Ming walls measure 8,850 km (5,500 mi). This is made up of 6,259 km (3,889 mi) sections of actual wall, 359 km (223 mi) of trenches and 2,232 km (1,387 mi) of natural defensive barriers such as hills and rivers. Another archaeological survey found that the entire wall with all of its branches measure out to be 21,196 km (13,171 mi).

 

The Chinese were already familiar with the techniques of wall-building by the time of the Spring and Autumn period between the 8th and 5th centuries BC. During this time and the subsequent Warring States period, the states of Qin, Wei, Zhao, Qi, Yan, and Zhongshan  all constructed extensive fortifications to defend their own borders. Built to withstand the attack of small arms such as swords and spears, these walls were made mostly by stamping earth and gravel between board frames.

King Zheng of Qin conquered the last of his opponents and unified China as the First Emperor of the Qin dynasty ("Qin Shi Huang") in 221 BC. Intending to impose centralized rule and prevent the resurgence of feudal lords, he ordered the destruction of the sections of the walls that divided his empire among the former states. To position the empire against the Xiongnu people from the north, however, he ordered the building of new walls to connect the remaining fortifications along the empire's northern frontier. Transporting the large quantity of materials required for construction was difficult, so builders always tried to use local resources. Stones from the mountains were used over mountain ranges, while rammed earth was used for construction in the plains. There are no surviving historical records indicating the exact length and course of the Qin walls. Most of the ancient walls have eroded away over the centuries, and very few sections remain today. The human cost of the construction is unknown, but it has been estimated by some authors that hundreds of thousands, if not up to a million, workers died building the Qin wall. Later, the Han, the Sui, and the Northern dynasties all repaired, rebuilt, or expanded sections of the Great Wall at great cost to defend themselves against northern invaders. The Tang and Song dynasties did not undertake any significant effort in the region. The Liao, Jin, and Yuan dynasties, who ruled Northern China throughout most of the 10th–13th centuries, constructed defensive walls in the 12th century but those were located much to the north of the Great Wall as we know it, within China's province of Inner Mongolia and in Mongolia itself.

The Great Wall concept was revived again under the Ming in the 14th century, and following the Ming army's defeat by the Oirats in the Battle of Tumu. The Ming had failed to gain a clear upper hand over the Mongolian tribes after successive battles, and the long-drawn conflict was taking a toll on the empire. The Ming adopted a new strategy to keep the nomadic tribes out by constructing walls along the northern border of China. Acknowledging the Mongol control established in the Ordos Desert, the wall followed the desert's southern edge instead of incorporating the bend of the Yellow River.

Unlike the earlier fortifications, the Ming construction was stronger and more elaborate due to the use of bricks and stone instead of rammed earth. Up to 25,000 watchtowers are estimated to have been constructed on the wall. As Mongol raids continued periodically over the years, the Ming devoted considerable resources to repair and reinforce the walls. Sections near the Ming capital of Beijing were especially strong. Qi Jiguang between 1567 and 1570 also repaired and reinforced the wall, faced sections of the ram-earth wall with bricks and constructed 1,200 watchtowers from Shanhaiguan Pass to Changping to warn of approaching Mongol raiders. During the 1440s–1460s, the Ming also built a so-called "Liaodong Wall". Similar in function to the Great Wall (whose extension, in a sense, it was), but more basic in construction, the Liaodong Wall enclosed the agricultural heartland of the Liaodong province, protecting it against potential incursions by Jurched-Mongol Oriyanghan from the northwest and the Jianzhou Jurchens from the north. While stones and tiles were used in some parts of the Liaodong Wall, most of it was in fact simply an earth dike with moats on both sides.

Towards the end of the Ming, the Great Wall helped defend the empire against the Manchu invasions that began around 1600. Even after the loss of all of Liaodong, the Ming army held the heavily fortified Shanhai Pass, preventing the Manchus from conquering the Chinese heartland. The Manchus were finally able to cross the Great Wall in 1644, after Beijing had already fallen to Li Zicheng's rebels. Before this time, the Manchus had crossed the Great Wall multiple times to raid, but this time it was for conquest. The gates at Shanhai Pass were opened on May 25 by the commanding Ming general, Wu Sangui, who formed an alliance with the Manchus, hoping to use the Manchus to expel the rebels from Beijing. The Manchus quickly seized Beijing, and eventually defeated both the rebel-founded Shun dynasty and the remaining Ming resistance, establishing the Qing dynasty rule over all of China.

 

Under Qing rule, China's borders extended beyond the walls and Mongolia was annexed into the empire, so constructions on the Great Wall were discontinued. On the other hand, the so-called Willow Palisade, following a line similar to that of the Ming Liaodong Wall, was constructed by the Qing rulers in Manchuria. Its purpose, however, was not defense but rather migration control.

Before the use of bricks, the Great Wall was mainly built from rammed earth, stones, and wood. During the Ming, however, bricks were heavily used in many areas of the wall, as were materials such as tiles, lime, and stone. The size and weight of the bricks made them easier to work with than earth and stone, so construction quickened. Additionally, bricks could bear more weight and endure better than rammed earth. Stone can hold under its own weight better than brick, but is more difficult to use. Consequently, stones cut in rectangular shapes were used for the foundation, inner and outer brims, and gateways of the wall. Battlements line the uppermost portion of the vast majority of the wall, with defensive gaps a little over 30 cm (12 in) tall, and about 23 cm (9.1 in) wide. From the parapets, guards could survey the surrounding land. Communication between the army units along the length of the Great Wall, including the ability to call reinforcements and warn garrisons of enemy movements, was of high importance. Signal towers were built upon hill tops or other high points along the wall for their visibility.

 

For more details - Great Wall of China

The sQuba (World's 1st Car That Driven Both On Land & Under Water), Zumikon, Switzerland

The sQuba, developed by Swiss company Rinspeed, is the world's first car that can be driven both on land and under water. The original idea by Rinspeed founder and CEO Frank M. Rinderknecht was inspired by the 1977 James Bond film The Spy Who Loved Me. The chassis from the Lotus Elise is used as the base for this vehicle

 

The sQuba is a zero-emission, all electric vehicle which uses three electric motors, one for land travel, two for water. It drives on land powered by its electric rear-wheel drive powertrain, utilizing rechargeable lithium-ion batteries. Upon entering water, it floats on the surface until the operator floods the interior to submerge it. It can be submerged to a depth of 10 metres (33 ft), powered by twin electric-powered propellers supplemented by two Seabob water jets. It "flies" when underwater, like a submarine, as it is not designed to drive along the surface at the bottom of the water. The car's top land speed is 120 km/h (75 mph). On the surface of water, the top speed is 6 km/h (3.2 kn; 3.7 mph) and underwater it is 3 km/h (1.6 kn; 1.9 mph).

The vehicle can transport a driver and passenger in its open cockpit. The open cockpit design is intended to allow the occupants to escape easily in case of emergency. When underwater, the occupants breathe air carried in the vehicle through scuba-style diving regulators. Without occupants, the sQuba will surface automatically.The twin water jets mounted on rotating louvers at the front of the vehicle provide steering and lift while it is underwater and the propellers at the rear provide forward movement. The vehicle's interior is water and salt resistant so that it can be driven in the ocean.

The sQuba also comes equipped with a laser sensor system made by autonomous cruise control system manufacturer Ibeo to allow autonomous operation. The sQuba was presented to the public for the first time at the Geneva Motor Show on March 16, 2008.The existing, functioning prototype cost more than US$1.5 million to build. When the sQuba enters production, they are expected to "cost less than a Rolls-Royce", according to Rinderknecht. A production schedule has not been made. Rinderknecht admits that there will be limited appeal for a car that can dive underwater. The car will be marketed as a "toy for rich people.

 

The sQuba was presented to the public for the first time at the Geneva Motor Show on 16 March 2008. The inspiration for the sQuba was the Lotus Esprit driven by James Bond in The Spy Who Loved Me. During the thirty years since the movie premiered, Rinspeed founder and CEO Frank M. Rinderknecht wanted to build a car that could move underwater like a submarine. The existing, functioning prototype cost more than US$1.5 million to build. When the sQuba enters production, they are expected to "cost less than a Rolls-Royce", according to Rinderknecht. A production schedule has not been made.