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XIAN, CHINA - JUNE 2: Unidentified girls dance on a stage near the bar in a trendy nightclub on June 2, 2007 in central Xian, China. The themes change every night and popular artists from Shanghai, Beijing and Hong Kong perform daily. The city has about 3,3 million inhabitants and is the capital of Shaanxi province in China. It was the eastern terminus for the Silk Road and the location for the Terracotta Army during the Qin Dynasty. Its history dates back more than 3,100 years. (Photo by Per-Anders Pettersson).