People of Tibetan ethnic group perform acrobatics during the Shangjiu Festival in Qiaoqi Tibet Autonomous Township of Baoxing County in Ya'an City, southwest China's Sichuan Province, Feb. 5, 2017. The Shangjiu Festival, a traditional festival of Tibetan people, is celebrated on the ninth day of the first lunar month to pray for a good harvest. (Xinhua/Jiang Hongjing)