Students hold flowers and listen to an old man Zheng Fulai during a memorial event at Lugouqiao Bridge, also known as Marco Polo Bridge, in Beijing on July 6, 2012 to mark the 75th anniversary of the July 7 Incident, or Marco Polo Bridge Incident. The incident, happened on July 7, 1937, marked the beginning of the eight-year War of Resistance against Japanese Aggression. Zheng, who born in 1931 was the local resident at that time and witnessed the incident, told students what he saw when the incidents happened. [Photo/Xinhua]

A Chinese soldier with a machinegun is in position at an end of the Lugouqiao Bridge in the undated old file photo. [Photo/sina.com.cn]