Artists from Lhozhag county perform Tibetan Opera during a cultural festival in Shannan, Southwest China's Tibet autonomous region, Aug 17, 2019. A Tibetan Opera exhibition was held during a cultural festival in Shannan from Aug 17 to 18. Teams from Zha'nang county, Lhozhag county and Cona county presented classic Tibetan Opera to audience. [Photo/Xinhua]

Artists from Lhozhag county perform Tibetan Opera during a cultural festival in Shannan, Southwest China's Tibet autonomous region, Aug 17, 2019. [Photo/Xinhua]

An artist from Lhozhag county performs Tibetan Opera during a cultural festival in Shannan, Southwest China's Tibet autonomous region, Aug 17, 2019. [Photo/Xinhua]

Artists from Cona county perform Tibetan Opera during a cultural festival in Shannan, Southwest China's Tibet autonomous region, Aug 18, 2019. [Photo/Xinhua]

Artists from Cona county perform Tibetan Opera during a cultural festival in Shannan, Southwest China's Tibet autonomous region, Aug 18, 2019. [Photo/Xinhua]

An artist from Zha'nang county performs Tibetan Opera during a cultural festival in Shannan, Southwest China's Tibet autonomous region, Aug 17, 2019. [Photo/Xinhua]

An artist from Lhozhag county performs Tibetan Opera during a cultural festival in Shannan, Southwest China's Tibet autonomous region, Aug 17, 2019. [Photo/Xinhua]