People pay tribute to martyrs on Qingming Festival in China's Shanghai

Students lay flowers to pay tribute to martyrs at Longhua Revolutionary Martyrs' Cemetery in east China's Shanghai, April 5, 2019. It is a tradition for the Chinese people to pay respect to ancestors, deceased family members, and national heroes and martyrs on the Qingming Festival, a day for tomb sweeping which falls on April 5 this year. (Xinhua/Chen Fei)