Aerial photo shows people of Miao ethnic group taking part in a celebration for the Guzang Festival in Sanjiang Township, Rongjiang County of Qiandongnan Miao and Dong Autonomous Prefecture, southwest China's Guizhou Province, Jan. 25, 2019. Guzang Festival is the most important festival for the Miao people to offer sacrifice to their ancestors. (Xinhua/Wang Bingzhen)