People paint on fronzen Tongtian River to pray for good fortunes in China's Qinghai

People of Tibetan ethnic group prepare to use sand to paint the six-syllable mantra, "Om Mani Padme Hum", to pray for good fortunes on the frozen Tongtian River in Yushu Tibetan Autonomous Prefecture, northwest China's Qinghai Province, Feb. 2, 2018. (Xinhua/Wu Gang)