An artist performs during a dance drama featuring Guozhuang dance, or Tibetan bonfire dance, at Gansu Grand Theater in Lanzhou, capital of northwest China's Gansu Province, Sept. 16, 2019. (Photo by Ma Xiping/Xinhua)

Artists perform during a dance drama featuring Guozhuang dance, or Tibetan bonfire dance, at Gansu Grand Theater in Lanzhou, capital of northwest China's Gansu Province, Sept. 16, 2019. (Photo by Ma Xiping/Xinhua)

An artist performs during a dance drama featuring Guozhuang dance, or Tibetan bonfire dance, at Gansu Grand Theater in Lanzhou, capital of northwest China's Gansu Province, Sept. 16, 2019. (Photo by Ma Xiping/Xinhua)

Artists perform during a dance drama featuring Guozhuang dance, or Tibetan bonfire dance, at Gansu Grand Theater in Lanzhou, capital of northwest China's Gansu Province, Sept. 16, 2019. (Photo by Ma Xiping/Xinhua)

Artists perform during a dance drama featuring Guozhuang dance, or Tibetan bonfire dance, at Gansu Grand Theater in Lanzhou, capital of northwest China's Gansu Province, Sept. 16, 2019. (Photo by Ma Xiping/Xinhua)

Artists perform during a dance drama featuring Guozhuang dance, or Tibetan bonfire dance, at Gansu Grand Theater in Lanzhou, capital of northwest China's Gansu Province, Sept. 16, 2019. (Photo by Ma Xiping/Xinhua)