Performers present drama "Occupation" on the square in front of the Memorial Hall of the Victims in the Nanjing Massacre, marking the 72nd anniversary of the tragedy, in Nanjing, capital of east China's Jiangsu Province, Dec. 13, 2009. Japanese troops occupied Nanjing on Dec. 13, 1937, and launched a six-week massacre. Chinese records show more than 300,000 people, not only disarmed soldiers but also civilians, were killed. [Wang Xin/Xinhua]