Photo taken on June 25, 2019 shows waterfalls at the Tianhetan scenic area in Guiyang City, southwest China's Guizhou Province. (Photos: Xinhua)

Tourists amuse themselves at the Tianhetan scenic area in Guiyang City, southwest China's Guizhou Province, June 25, 2019.

Photo taken on June 25, 2019 shows waterfalls at the Tianhetan scenic area in Guiyang City, southwest China's Guizhou Province.

Tourists amuse themselves at the Tianhetan scenic area in Guiyang City, southwest China's Guizhou Province, June 25, 2019.

Tourists amuse themselves at the Tianhetan scenic area in Guiyang City, southwest China's Guizhou Province, June 25, 2019.