Sun Xueman (3rd R), a mezzo-soprano from China National Opera House, talks with members of an art troupe from Deqen Tibetan Autonomous Prefecture, in Shangri-la City of Deqen Tibetan Autonomous Prefecture, southwest China's Yunnan Province, July 27, 2019. China National Opera House launched an event here on Saturday in which artists in different squads gave lectures, staged performances and communicated with counterparts. (Xinhua/Jin Liangkuai)