Staff members stand around a "Terracotta Senior Military Officer in Army" during a media preview of "Terracotta -The Rise and Legacy of Qin Culture" exhibition at National Palace Museum, in Taipei, Taiwan April 28, 2016. REUTERS/Tyrone Siu 

A "Terracotta Senior Military Officer in Army" is displayed during a media preview of "Terracotta -The Rise and Legacy of Qin Culture" exhibition at National Palace Museum, in Taipei, Taiwan April 28, 2016. REUTERS/Tyrone Siu 

Staff members adjust a head of a "Terracotta Senior Military Officer in Army" during a media preview of "Terracotta -The Rise and Legacy of Qin Culture" exhibition at National Palace Museum, in Taipei, Taiwan April 28, 2016. REUTERS/Tyrone Siu 

Staff members stand around a "Terracotta Senior Military Officer in Army" during a media preview of "Terracotta -The Rise and Legacy of Qin Culture" exhibition at National Palace Museum, in Taipei, Taiwan April 28, 2016. REUTERS/Tyrone Siu 

A woman takes a selfie next to 80 life-size models of the Terracotta Army during a celebration for the upcoming Chinese New Year at Zagreb's main square, Croatia, January 30, 2016. REUTERS/Antonio Bronic

Members of the public stand and walk next to an art installation called the 'Lanterns of the Terracotta Warriors' in front of the Sydney Harbour Bridge February 19, 2015. The more than two-meter (7 feet) high lanterns, shaped in the form of China's famous terracotta warriors that were unearthed in 1974, are on display as part of Sydney's Chinese Lunar New Year Festival. REUTERS/David Gray (AUSTRALIA - Tags: ENTERTAINMENT SOCIETY) 

Terracotta warrior figures are displayed as part of the exhibition "The Terracotta Daughters" by French artist Prune Nourry, in Diego River-Anahuacalli museum in Mexico City, November 6, 2014. The exhibition, which runs until November 30 and was inspired by eight orphan Chinese girls, features 108 sculptures of girls based on the ancient Terracotta Army sculptures displayed at the Xi'an archaeological site in China. Nourry collaborated with Chinese craftsmen to learn the technique of sculpting the original terracotta warriors, which she then used to craft the figures in "The Terracotta Daughters". The exhibition will be taken to China to be buried and unearthed again in 2030. REUTERS/Edgard Garrido (MEXICO - Tags: SOCIETY) 

A visitor draws a terracotta warrior figure, one of 108 displayed as part of the exhibition "The Terracotta Daughters" by French artist Prune Nourry, in Diego River-Anahuacalli museum in Mexico City, November 6, 2014. The exhibition, which runs until November 30 and was inspired by eight orphan Chinese girls, features 108 sculptures of girls based on the ancient Terracotta Army sculptures displayed at the Xi'an archaeological site in China. Nourry collaborated with Chinese craftsmen to learn the technique of sculpting the original terracotta warriors, which she then used to craft the figures in "The Terracotta Daughters". The exhibition will be taken to China to be buried and unearthed again in 2030. REUTERS/Edgard Garrido (MEXICO - Tags: SOCIETY TRAVEL) 

Terracotta warrior figures are displayed as part of the exhibition "The Terracotta Daughters" by French artist Prune Nourry, in Diego River-Anahuacalli museum in Mexico City, November 6, 2014. The exhibition, which runs until November 30 and was inspired by eight orphan Chinese girls, features 108 sculptures of girls based on the ancient Terracotta Army sculptures displayed at the Xi'an archaeological site in China. Nourry collaborated with Chinese craftsmen to learn the technique of sculpting the original terracotta warriors, which she then used to craft the figures in "The Terracotta Daughters". The exhibition will be taken to China to be buried and unearthed again in 2030. REUTERS/Edgard Garrido (MEXICO - Tags: SOCIETY) 

A terracotta warrior figure is displayed as part of the exhibition "The Terracotta Daughters" by French artist Prune Nourry, in Diego River-Anahuacalli museum in Mexico City, November 6, 2014. The exhibition, which runs until November 30 and was inspired by eight orphan Chinese girls, features 108 sculptures of girls based on the ancient Terracotta Army sculptures displayed at the Xi'an archaeological site in China. Nourry collaborated with Chinese craftsmen to learn the technique of sculpting the original terracotta warriors, which she then used to craft the figures in "The Terracotta Daughters". The exhibition will be taken to China to be buried and unearthed again in 2030. REUTERS/Edgard Garrido (MEXICO - Tags: SOCIETY) 

Visitors take photos of terracotta warrior figures displayed as part of the exhibition "The Terracotta Daughters" by French artist Prune Nourry, in Diego River-Anahuacalli museum in Mexico City, November 6, 2014. The exhibition, which runs until November 30 and was inspired by eight orphan Chinese girls, features 108 sculptures of girls based on the ancient Terracotta Army sculptures displayed at the Xi'an archaeological site in China. Nourry collaborated with Chinese craftsmen to learn the technique of sculpting the original terracotta warriors, which she then used to craft the figures in "The Terracotta Daughters". The exhibition will be taken to China to be buried and unearthed again in 2030. REUTERS/Edgard Garrido (MEXICO - Tags: SOCIETY TRAVEL) 

Terracotta warrior figures are displayed as part of the exhibition "The Terracotta Daughters" by French artist Prune Nourry, in Diego River-Anahuacalli museum in Mexico City, November 6, 2014. The exhibition, which runs until November 30 and was inspired by eight orphan Chinese girls, features 108 sculptures of girls based on the ancient Terracotta Army sculptures displayed at the Xi'an archaeological site in China. Nourry collaborated with Chinese craftsmen to learn the technique of sculpting the original terracotta warriors, which she then used to craft the figures in "The Terracotta Daughters". The exhibition will be taken to China to be buried and unearthed again in 2030. REUTERS/Edgard Garrido (MEXICO - Tags: SOCIETY) 

Terracotta warrior figures are displayed as part of the exhibition "The Terracotta Daughters" by French artist Prune Nourry, in Diego River-Anahuacalli museum in Mexico City, November 6, 2014. The exhibition, which runs until November 30 and was inspired by eight orphan Chinese girls, features 108 sculptures of girls based on the ancient Terracotta Army sculptures displayed at the Xi'an archaeological site in China. Nourry collaborated with Chinese craftsmen to learn the technique of sculpting the original terracotta warriors, which she then used to craft the figures in "The Terracotta Daughters". The exhibition will be taken to China to be buried and unearthed again in 2030. REUTERS/Edgard Garrido (MEXICO - Tags: SOCIETY) 

Terracotta warrior figures are displayed as part of the exhibition "The Terracotta Daughters" by French artist Prune Nourry, in Diego River-Anahuacalli museum in Mexico City, November 6, 2014. The exhibition, which runs until November 30 and was inspired by eight orphan Chinese girls, features 108 sculptures of girls based on the ancient Terracotta Army sculptures displayed at the Xi'an archaeological site in China. Nourry collaborated with Chinese craftsmen to learn the technique of sculpting the original terracotta warriors, which she then used to craft the figures in "The Terracotta Daughters". The exhibition will be taken to China to be buried and unearthed again in 2030. REUTERS/Edgard Garrido (MEXICO - Tags: SOCIETY) 

A terracotta warrior figure is seen as part of the exhibition "The Terracotta Daughters" by French artist Prune Nourry, in Diego River-Anahuacalli museum in Mexico City, November 6, 2014. The exhibition, which runs until November 30 and was inspired by eight orphan Chinese girls, features 108 sculptures of girls based on the ancient Terracotta Army sculptures displayed at the Xi'an archaeological site in China. Nourry collaborated with Chinese craftsmen to learn the technique of sculpting the original terracotta warriors, which she then used to craft the figures in "The Terracotta Daughters". The exhibition will be taken to China to be buried and unearthed again in 2030. REUTERS/Edgard Garrido (MEXICO - Tags: SOCIETY) 

Terracotta warrior figures are displayed as part of the exhibition "The Terracotta Daughters" by French artist Prune Nourry, in Diego River-Anahuacalli museum in Mexico City, November 6, 2014. The exhibition, which runs until November 30 and was inspired by eight orphan Chinese girls, features 108 sculptures of girls based on the ancient Terracotta Army sculptures displayed at the Xi'an archaeological site in China. Nourry collaborated with Chinese craftsmen to learn the technique of sculpting the original terracotta warriors, which she then used to craft the figures in "The Terracotta Daughters". The exhibition will be taken to China to be buried and unearthed again in 2030. REUTERS/Edgard Garrido (MEXICO - Tags: SOCIETY TPX IMAGES OF THE DAY) 

Members of the historical museum of Bern unveil a horse and a warrior of the terracotta army of the first Chinese emperor Qin Shi Huangdi in Bern February 22, 2013. The exhibition of more than 250 pieces in Bern starts on March 15, 2013. REUTERS/Ruben Sprich (SWITZERLAND - Tags: ENTERTAINMENT) 

Members of the historical museum of Bern unveil a warrior of the terracotta army of the first Chinese emperor Qin Shi Huangdi in Bern February 22, 2013. The exhibition of more than 250 pieces in Bern starts on March 15, 2013. REUTERS/Ruben Sprich (SWITZERLAND - Tags: ENTERTAINMENT) 

Members of the historical museum of Bern unveil a horse of the terracotta army of the first Chinese emperor Qin Shi Huangdi in Bern February 22, 2013. The exhibition of more than 250 pieces in Bern starts on March 15, 2013. REUTERS/Ruben Sprich (SWITZERLAND - Tags: ENTERTAINMENT) 

Members of the historical museum of Bern look at a horse of the terracotta army of the first Chinese emperor Qin Shi Huangdi during the unveiling in Bern February 22, 2013. The exhibition of more than 250 pieces in Bern starts on March 15, 2013. REUTERS/Ruben Sprich (SWITZERLAND - Tags: ENTERTAINMENT) 

A copy of a Terracotta warrior figure is displayed as part of the exhibition 'Terracotta Army' at the Brussels Stock Exchange November 19, 2012. The exhibition, which opens today and will run for 3 months, presents a reconstruction of the discovery the terracotta army of the first emperor of China, Qin Shi Huangdi, organisers said. REUTERS/Yves Herman (BELGIUM - Tags: ENTERTAINMENT BUSINESS SOCIETY) 

Copies of Terracotta warrior figures are displayed as part of the exhibition 'Terracotta Army' at the Brussels Stock Exchange November 19, 2012. The exhibition, which opens today and will run for 3 months, presents a reconstruction of the discovery the terracotta army of the first emperor of China, Qin Shi Huangdi, organisers said. REUTERS/Yves Herman (BELGIUM - Tags: ENTERTAINMENT BUSINESS SOCIETY) 

Copies of Terracotta warrior figures are displayed as part of the exhibition 'Terracotta Army' at the Brussels Stock Exchange November 19, 2012. The exhibition, which opens today and will run for 3 months, presents a reconstruction of the discovery the terracotta army of the first emperor of China, Qin Shi Huangdi, organisers said. REUTERS/Yves Herman (BELGIUM - Tags: ENTERTAINMENT BUSINESS SOCIETY) 

Copies of Terracotta warrior figures are displayed as part of the exhibition 'Terracotta Army' at the Brussels Stock Exchange November 19, 2012. The exhibition, which opens today and will run for 3 months, presents a reconstruction of the discovery the terracotta army of the first emperor of China, Qin Shi Huangdi, organisers said. REUTERS/Yves Herman (BELGIUM - Tags: ENTERTAINMENT BUSINESS SOCIETY) 

Copies of Terracotta warrior figures are displayed as part of the exhibition 'Terracotta Army' at the Brussels Stock Exchange November 19, 2012. The exhibition, which opens today and will run for 3 months, presents a reconstruction of the discovery the terracotta army of the first emperor of China, Qin Shi Huangdi, organisers said. REUTERS/Yves Herman (BELGIUM - Tags: ENTERTAINMENT BUSINESS SOCIETY) 

Copies of Terracotta warrior figures are displayed as part of the exhibition 'Terracotta Army' at the Brussels Stock Exchange November 19, 2012. The exhibition, which opens today and will run for 3 months, presents a reconstruction of the discovery the terracotta army of the first emperor of China, Qin Shi Huangdi, organisers said. REUTERS/Yves Herman (BELGIUM - Tags: ENTERTAINMENT BUSINESS SOCIETY) 

Replicas of China's Terracotta Warriors painted in various designs are lined up and secured in the back of truck in Vancouver, British Columbia April 24, 2012. Artists from around the area were invited to design and paint the fiberglass replicas which will distributed and put on display in various parts of Vancouver and nearby Richmond. REUTERS/Andy Clark (CANADA - Tags: SOCIETY) 

A terra-cotta soldier from the "Warriors: Defenders of China's First Emperor" display is seen at the Discovery Channel Time Square Exposition in New York, April 24, 2012. The display opens on April 27 with over 200 artifacts and nine intact warriors. Each warrior is completely unique, standing approximately 6 feet tall and weighing approximately 200 pounds; they were built around 200 B.C. REUTERS/Andrew Burton (UNITED STATES - Tags: SOCIETY) 

A worker paints the head of a lantern made in the image of a terracotta warrior, which is being decorated for the Lantern Festival, at a residential and commercial complex in Beijing February 5, 2012. Picture taken February 5, 2012. REUTERS/Soo Hoo Zheyang (CHINA - Tags: SOCIETY ANNIVERSARY) 

Chocolate-made terracotta warriors are displayed at the World Chocolate Wonderland in Shanghai December 15, 2011. The World Chocolate Wonderland will exhibit creations such as the Terracotta Warriors and Chinese Dragon when it opens to the public on Friday, according to the organiser. REUTERS/Aly Song (CHINA - Tags: FOOD SOCIETY) 

Terracotta warriors, which were unearthed during the first excavation from 1978 to 1984, stand inside the No. 1 pit of the Museum of Qin Terracotta Warriors and Horses in Xi'an, Shaanxi province, March 12, 2011. The famous warriors date from over 2,000 years ago, and were first unearthed in 1974 and are considered to be one of the most important archaeological finds of recent times. REUTERS/Nicky Loh (CHINA - Tags: SOCIETY) 

A boy looks at chocolate Terracotta Warriors displayed at the World Chocolate Wonderland in Taipei June 28, 2010. The exhibition will be held from July 3 to September 29 at the National Taiwan Science Education Center in Shihlin, and will showcase various creations made completely from chocolate, including the Taipei 101 skyscraper, Great Wall of China and Mogao Caves. REUTERS/Nicky Loh (TAIWAN - Tags: FOOD SOCIETY IMAGES OF THE DAY) FOR BEST QUALITY IMAGE: ALSO SEE GM1E8A11QXF01 

An archaeology staff member unearths the head of a newly found terracotta horse at the excavation site inside the No.1 pit of the Museum of Qin Terracotta Warriors and Horses, on the outskirts of Xi'an, Shaanxi province, June 21, 2010. Chinese archaeologists have unearthed about 120 more clay figures in their latest round of excavations at the terracotta army site that surrounds the tomb of the nation's first emperor in the northwestern Shaanxi Province, Xinhua reported. REUTERS/Jason Lee (CHINA - Tags: SOCIETY) 

An archaeology staff member puts a brush on the coloured face of a newly found terracotta warrior at the excavation site inside the No.1 pit of the Museum of Qin Terracotta Warriors and Horses, on the outskirts of Xi'an, Shaanxi province, June 21, 2010. Chinese archaeologists have unearthed about 120 more clay figures in their latest round of excavations at the terracotta army site that surrounds the tomb of the nation's first emperor in the northwestern Shaanxi Province, Xinhua reported. REUTERS/Jason Lee (CHINA - Tags: SOCIETY) 

One hand of a newly found terracotta warrior is marked at the excavation site inside the No.1 pit of the Museum of Qin Terracotta Warriors and Horses, on the outskirts of Xi'an, Shaanxi province, June 21, 2010. Chinese archaeologists have unearthed about 120 more clay figures in their latest round of excavations at the terracotta army site that surrounds the tomb of the nation's first emperor in the northwestern Shaanxi Province, Xinhua reported. REUTERS/Jason Lee (CHINA - Tags: SOCIETY) 

An archaeology staff member blows to remove earth from the face of a newly found terracotta warrior at the excavation site inside the No.1 pit of the Museum of Qin Terracotta Warriors and Horses, on the outskirts of Xi'an, Shaanxi province, June 21, 2010. Chinese archaeologists have unearthed about 120 more clay figures in their latest round of excavations at the terracotta army site that surrounds the tomb of the nation's first emperor in the northwestern Shaanxi Province, Xinhua reported. REUTERS/Jason Lee (CHINA - Tags: SOCIETY) 

An archaeology staff member removes earth from the face of a newly found terracotta warrior at the excavation site inside the No.1 pit of the Museum of Qin Terracotta Warriors and Horses, on the outskirts of Xi'an, Shaanxi province, June 21, 2010. Chinese archaeologists have unearthed about 120 more clay figures in their latest round of excavations at the terracotta army site that surrounds the tomb of the nation's first emperor in the northwestern Shaanxi Province, Xinhua reported. REUTERS/Jason Lee (CHINA - Tags: SOCIETY) 

The head of a newly found terracotta warrior is placed at the excavation site inside the No. 1 pit of the Museum of Qin Terracotta Warriors and Horses, on the outskirts of Xi'an, Shaanxi province, June 21, 2010. Chinese archaeologists have unearthed about 120 more clay figures in their latest round of excavations at the terracotta army site that surrounds the tomb of the nation's first emperor in the northwestern Shaanxi Province, Xinhua reported. REUTERS/Jason Lee (CHINA - Tags: SOCIETY CONFLICT) 

An archaeology staff member adjusts the head of a newly found terracotta warrior at the excavation site inside the No. 1 pit of the Museum of Qin Terracotta Warriors and Horses, on the outskirts of Xi'an, Shaanxi province, June 21, 2010. Chinese archaeologists have unearthed about 120 more clay figures in their latest round of excavations at the terracotta army site that surrounds the tomb of the nation's first emperor in the northwestern Shaanxi Province, Xinhua reported. REUTERS/Jason Lee (CHINA - Tags: CONFLICT SOCIETY IMAGES OF THE DAY) 

The head of a newly found terracotta warrior is placed at the excavation site inside the No. 1 pit of the Museum of Qin Terracotta Warriors and Horses, on the outskirts of Xi'an, Shaanxi province, June 21, 2010. Chinese archaeologists have unearthed about 120 more clay figures in their latest round of excavations at the terracotta army site that surrounds the tomb of the nation's first emperor in the northwestern Shaanxi Province, Xinhua reported. REUTERS/Jason Lee (CHINA - Tags: SOCIETY CONFLICT) 

Archaeologist Xu Weihong covers the coloured battle suit of a newly found terracotta warrior at the excavation site inside the No. 1 pit of the Museum of Qin Terracotta Warriors and Horses, on the outskirts of Xi'an, Shaanxi province June 21, 2010. Chinese archaeologists have unearthed about 120 more clay figures in their latest round of excavations at the terracotta army site that surrounds the tomb of the nation's first emperor in the northwestern Shaanxi Province, Xinhua reported. REUTERS/Jason Lee (CHINA - Tags: CONFLICT SOCIETY) 

An archaeology staff member unearths the feet of a terracotta warrior at the excavation site inside the No.1 pit of the Museum of Qin Terracotta Warriors and Horses, on the outskirts of Xi'an, Shaanxi province, June 21, 2010. Chinese archaeologists have unearthed about 120 more clay figures in their latest round of excavations at the terracotta army site that surrounds the tomb of the nation's first emperor in the northwestern Shaanxi Province, Xinhua reported. REUTERS/Jason Lee (CHINA - Tags: SOCIETY CONFLICT) 

An archaeology staff member applies a special liquid on the ear of a newly found terracotta warrior to help retain the colour of the clay at the excavation site inside the No.1 pit of the Museum of Qin Terracotta Warriors and Horses, on the outskirts of Xi'an, Shaanxi province, June 21, 2010. Chinese archaeologists have unearthed about 120 more clay figures in their latest round of excavations at the terracotta army site that surrounds the tomb of the nation's first emperor in the northwestern Shaanxi Province, Xinhua reported. REUTERS/Jason Lee (CHINA - Tags: SOCIETY CONFLICT) 

An archaeologist removes earth from the face of a newly found terracotta warrior at the excavation site inside the No. 1 pit of the Museum of Qin Terracotta Warriors and Horses, on the outskirts of Xi'an, Shaanxi province, June 21, 2010. Chinese archaeologists have unearthed about 120 more clay figures in their latest round of excavations at the terracotta army site that surrounds the tomb of the nation's first emperor in the northwestern Shaanxi Province, Xinhua reported. REUTERS/Jason Lee (CHINA - Tags: SOCIETY CONFLICT) 

Visitors walk past lanterns featuring terracotta warriors at a lantern show to welcome the upcoming Lantern Festival in Beijing February 26, 2010. The lantern festival marks the last day of the Chinese Lunar New Year celebrations and falls on February 28 this year. REUTERS/Grace Liang (CHINA - Tags: SOCIETY) 

Terracotta warriors, which were unearthed during the first excavation from 1978 to 1984, stand in rows inside the No.1 pit of the Museum of Qin Terracotta Warriors and Horses in Xi'an, Shaanxi province, February 19, 2010. The famous warriors date from over 2,000 years ago, and were first unearthed in 1974 and are considered to be one of the most important archaeological finds of recent times. REUTERS/Aly Song(CHINA - Tags: TRAVEL SOCIETY) 

Unrestored terracotta warriors, which were unearthed during the first excavation from 1978 to 1984, are seen inside the No.1 pit of the Museum of Qin Terracotta Warriors and Horses in Xi'an, Shaanxi province, February 19, 2010. The famous warriors date from over 2,000 years ago, and were first unearthed in 1974 and are considered to be one of the most important archaeological finds of recent times. REUTERS/Aly Song(CHINA - Tags: TRAVEL SOCIETY) 

Terracotta warriors, which were unearthed during the first excavation from 1978 to 1984, stand inside the No.1 pit of the Museum of Qin Terracotta Warriors and Horses in Xi'an, Shaanxi province, February 19, 2010. The famous warriors date from over 2,000 years ago, and were first unearthed in 1974 and are considered to be one of the most important archaeological finds of recent times. REUTERS/Aly Song(CHINA - Tags: TRAVEL SOCIETY) 

A worker sprinkles chocolate on Terracotta Warriors made of chocolate at the Chocolate Wonderland in Beijing January 14, 2010. The chocolate theme park will exhibit creations such as the Great Wall, the Dunhuang Caves and Terracotta Warriors when it opens to the public on January 29, according to the organiser. REUTERS/Grace Liang (CHINA - Tags: SOCIETY) 

A worker adjusts Terracotta Warriors made of chocolate at the Chocolate Wonderland in Beijing January 14, 2010. The chocolate theme park will exhibit creations such as the Great Wall, the Dunhuang Caves and Terracotta Warriors when it opens to the public on January 29, according to the organiser. REUTERS/Grace Liang (CHINA - Tags: SOCIETY) 

A worker adjusts Terracotta Warriors made of chocolate at the Chocolate Wonderland in Beijing January 14, 2010. The chocolate theme park will exhibit creations such as the Great Wall, the Dunhuang Caves and Terracotta Warriors when it opens to the public on January 29, according to the organiser. REUTERS/Grace Liang (CHINA - Tags: SOCIETY IMAGES OF THE DAY) 

BRITAIN-EXHIBITION/ - 3D map and illustration showing the unearthed remains of China's terracotta army, with map locating the Xian city. Previously transmitted on 07/09/2007 

BRITAIN-EXHIBITION/ - 3D map and illustration showing the unearthed remains of China's terracotta army, with map locating the Xian city. Previously transmitted on 07/09/2007 

An actor dressed as a Chinese emperor attends the exhibition "The old China and the terracotta army" at the downtown Santiago December 4, 2009. REUTERS/Ivan Alvarado (CHILE SOCIETY) 

A boy looks at a horse of the terracotta army as part of the exhibition "The old China and the terracotta army" at the downtown Santiago December 4, 2009. REUTERS/Ivan Alvarado (CHILE SOCIETY) 

Terracotta army pieces are displayed as part of the exhibition "The old China and the terracotta army" at the downtown Santiago December 4, 2009. REUTERS/Ivan Alvarado (CHILE SOCIETY) 

Terracotta army horses are displayed as part of the exhibition "The old China and the terracotta army" at the downtown Santiago December 4, 2009. REUTERS/Ivan Alvarado (CHILE SOCIETY) 

A terracotta warrior replica is displayed as part of the exhibition "The old China and the terracotta army" at the downtown Santiago December 4, 2009. REUTERS/Ivan Alvarado (CHILE SOCIETY) 

Terracotta warriors are displayed as part of the exhibition "The old China and the terracotta army" at the downtown Santiago December 4, 2009. REUTERS/Ivan Alvarado (CHILE SOCIETY IMAGES OF THE DAY) 

A combination picture of terracotta warriors displayed at the media preview of "Terra Cotta Warriors: Guardians of China's First Emperor" exhibition at the National Geographic Museum in Washington November 17, 2009. The exhibit showcases 100 sets of objects, with 15 terracotta figures, the greatest number of terracotta warriors ever to travel to the United States for a single exhibition. REUTERS/Molly Riley (UNITED STATES POLITICS SOCIETY)