Air raid sirens sound in Jiangsu to mark 87th anniv. of "Sept. 18 Incident"

A woman visits the Memorial Hall of the Victims in Nanjing Massacre by Japanese Invaders in east China's Jiangsu Province, Sept. 18, 2018. Air raid sirens sounded on Tuesday in Jiangsu to mark the 87th anniversary of the "Sept. 18 Incident", the start of Japan's invasion of China. (Xinhua/Sun Can)