Delegates of the survivors of Nanjing Massacre strike the bell for peace during an international peaceful assembly at the Memorial Hall for Compatriots Killed in the Nanjing Massacre by Japanese Invading Troops in Nanjing, capital of east China's Jiangsu Province, Dec. 13, 2005. Over 3,000 Chinese and overseas pacifists joined the event to commemorate the 68th anniversary of Nanjing Massacre and mourn for the 300,000 victims. Japanese troops occupied Nanjing on Dec. 13, 1937, and launched a six-week long massacre, killing over 300,000 Chinese people. [Xinhua Photo] 

A student puts up a peace-dove-shaped scrip with peaceful words on it during an international peaceful assembly at the Memorial Hall for Compatriots Killed in the Nanjing Massacre by Japanese Invading Troops in Nanjing, capital of east China's Jiangsu Province, Dec. 13, 2005. [Xinhua Photo] 

Pacifists from Japan pray during an international peaceful assembly at the Memorial Hall for Compatriots Killed in the Nanjing Massacre by Japanese Invading Troops in Nanjing, capital of east China's Jiangsu Province, Dec. 13, 2005.[Xinhua Photo] 

Wu Xiulan (L, front), a 92-year-old woman who lost her leg and two children in the massacre 68 years ago, presents flowers with the help of her daughters during an international peaceful assembly at the Memorial Hall for Compatriots Killed in the Nanjing Massacre by Japanese Invading Troops in Nanjing, capital of east China's Jiangsu Province, Dec. 13, 2005. [Xinhua Photo] 

Students mourn for the victims of Nanjing Massacre in front of the Monument for the Victims Killed at the Zhongshan Dock in the Nanjing Massacre by Japanese Invading Troops in Nanjing, capital of east China's Jiangsu Province, Dec. 13, 2005. [Xinhua Photo] 

Students mourn for the victims of Nanjing Massacre during an international peaceful assembly at the Memorial Hall for Compatriots Killed in the Nanjing Massacre by Japanese Invading Troops in Nanjing, capital of east China's Jiangsu Province, Dec. 13, 2005. [Xinhua Photo] 

A student mourns for the victims of Nanjing Massacre during an international peaceful assembly at the Memorial Hall for Compatriots Killed in the Nanjing Massacre by Japanese Invading Troops in Nanjing, capital of east China's Jiangsu Province, Dec. 13, 2005. [Xinhua Photo] 

Students dedicate white flowers to the victims during an international peaceful assembly at the Memorial Hall for Compatriots Killed in the Nanjing Massacre by Japanese Invading Troops in Nanjing, capital of east China's Jiangsu Province, Dec. 13, 2005. [Xinhua Photo] 

Pacifists from Japan pray during an international peaceful assembly at the Memorial Hall for Compatriots Killed in the Nanjing Massacre by Japanese Invading Troops in Nanjing, capital of east China's Jiangsu Province, Dec. 13, 2005. [Xinhua Photo]