A tourist takes photos at Binggouhe scenic spot in Tianzhu Tibetan Autonomous County of Wuwei City, northwest China's Gansu Province, June 6, 2020. Boasting snow mountain, forest, grassland and river, the scenic spot is a summer resort as its average temperature stays around 18 degrees Celsius in summer. (Xinhua/Ma Xiping)

Photo taken on June 7, 2020 shows a view of the Binggouhe scenic spot in Tianzhu Tibetan Autonomous County of Wuwei City, northwest China's Gansu Province. Boasting snow mountain, forest, grassland and river, the scenic spot is a summer resort as its average temperature stays around 18 degrees Celsius in summer. (Xinhua/Ma Xiping)

Photo taken on June 7, 2020 shows a view of the Binggouhe scenic spot in Tianzhu Tibetan Autonomous County of Wuwei City, northwest China's Gansu Province. Boasting snow mountain, forest, grassland and river, the scenic spot is a summer resort as its average temperature stays around 18 degrees Celsius in summer. (Xinhua/Ma Xiping)

Aerial photo taken on June 6, 2020 shows a view of the Binggouhe scenic spot in Tianzhu Tibetan Autonomous County of Wuwei City, northwest China's Gansu Province. Boasting snow mountain, forest, grassland and river, the scenic spot is a summer resort as its average temperature stays around 18 degrees Celsius in summer. (Xinhua/Ma Xiping)

Aerial photo taken on June 6, 2020 shows a view of the Binggouhe scenic spot in Tianzhu Tibetan Autonomous County of Wuwei City, northwest China's Gansu Province. Boasting snow mountain, forest, grassland and river, the scenic spot is a summer resort as its average temperature stays around 18 degrees Celsius in summer. (Xinhua/Ma Xiping)

Photo taken on June 6, 2020 shows a view of the Binggouhe scenic spot in Tianzhu Tibetan Autonomous County of Wuwei City, northwest China's Gansu Province. Boasting snow mountain, forest, grassland and river, the scenic spot is a summer resort as its average temperature stays around 18 degrees Celsius in summer. (Xinhua/Ma Xiping)