Photo taken on May 19, 2019 shows a stone forest at Bingling Danxia National Geological Park in Yongjing County, northwest China's Gansu Province. Danxia landform is a unique type of landscapes formed from red sandstone and characterized by steep cliffs. (Photo: Xinhua)
 

A buddhist statue is shown in the photo taken on May 18, 2019 at Bingling Danxia National Geological Park in Yongjing County, northwest China's Gansu Province. Danxia landform is a unique type of landscapes formed from red sandstone and characterized by steep cliffs. (Photo: Xinhua)

Photo taken on May 18, 2019 shows a stone forest at Bingling Danxia National Geological Park in Yongjing County, northwest China's Gansu Province. Danxia landform is a unique type of landscapes formed from red sandstone and characterized by steep cliffs. (Photo: Xinhua)

Photo taken on May 18, 2019 shows a stone forest at Bingling Danxia National Geological Park in Yongjing County, northwest China's Gansu Province. Danxia landform is a unique type of landscapes formed from red sandstone and characterized by steep cliffs. (Photo: Xinhua)

Aerial photo taken on May 19, 2019 shows a stone forest at Bingling Danxia National Geological Park in Yongjing County, northwest China's Gansu Province. Danxia landform is a unique type of landscapes formed from red sandstone and characterized by steep cliffs. (Photo: Xinhua)

Photo taken on May 18, 2019 shows a stone forest at Bingling Danxia National Geological Park in Yongjing County, northwest China's Gansu Province. Danxia landform is a unique type of landscapes formed from red sandstone and characterized by steep cliffs. (Photo: Xinhua)

Photo taken on May 18, 2019 shows a stone forest at Bingling Danxia National Geological Park in Yongjing County, northwest China's Gansu Province. Danxia landform is a unique type of landscapes formed from red sandstone and characterized by steep cliffs. (Photo: Xinhua)

Photo taken on May 18, 2019 shows a stone forest at Bingling Danxia National Geological Park in Yongjing County, northwest China's Gansu Province. Danxia landform is a unique type of landscapes formed from red sandstone and characterized by steep cliffs. (Photo: Xinhua)