Chinese Vice Premier Liu Yandong talks to patrons to the Houston Museum of Natural Science in Houston on June 21. Liu pays a visit to the museum today and makes a stop at China's Sanxingdui exhibition which is on display from April. Photo by Chang Jun/China Daily

China's Lost Civilization: The Mystery of Sanxingdui displays pieces from historical site of Three Star Mound unearthed in 1986. An unknown culture, findings in Sanxingdui suggested that the culture in the Sichuan Basin was contemporaneous with the late Shang and early Zhou dynasties in the Central Plain of the Yellow River.