People pay respect to martyrs who died in China’s resistance war against Japanese aggression in Harbin, capital of Northeast China’s Heilongjiang Province, yesterday. Yesterday marked the 92nd anniversary of the “Sept. 18” Incident, the start of Japan’s invasion of China. The commemoration was held across the country yesterday. Shenzhen and many other cities sounded the sirens on this day to remind people to remember history and cherish peace. Xinhua