LANZHOU, June 9, 2016 (Xinhua) -- People in Han dresses perform feast ritual during a sacrificial ceremony for Qu Yuan, a patriotic poet who drowned himself before his state fell to the invasion of the enemy during the Warring States Period (475-221 BC), in Lanzhou, capital of northwest China's Gansu Province, June 9, 2016. People in Lanzhou held a sacrificial ceremony to commemorate Qu Yuan in an ancient way on the Duanwu Festival. (Xinhua/Chen Bin)