![Photo taken on April 14, 2019 shows a view of Danxia landform at Danxia National Geological Park in Zhangye, northwest China\'s Gansu Province. Danxia landform is an unique type of geomorphology formed from red-colored sandstones and characterized by steep cliffs. (Photo/China News Service)](http://www.ecns.cn/hd/2019/04/15/f5a6bb9c61264546840e7b2825c41a1b.jpg)
Photo taken on April 14, 2019 shows a view of Danxia landform at Danxia National Geological Park in Zhangye, northwest China's Gansu Province. Danxia landform is an unique type of geomorphology formed from red-colored sandstones and characterized by steep cliffs. (Photo/China News Service)
![Photo taken on April 14, 2019 shows a view of Danxia landform at Danxia National Geological Park in Zhangye, northwest China\'s Gansu Province. Danxia landform is an unique type of geomorphology formed from red-colored sandstones and characterized by steep cliffs. (Photo/China News Service)](http://www.ecns.cn/hd/2019/04/15/ed72a2eaff3b43458fde959dc8a4f6d8.jpg)
Photo taken on April 14, 2019 shows a view of Danxia landform at Danxia National Geological Park in Zhangye, northwest China's Gansu Province. Danxia landform is an unique type of geomorphology formed from red-colored sandstones and characterized by steep cliffs. (Photo/China News Service)
![Photo taken on April 14, 2019 shows a view of Danxia landform at Danxia National Geological Park in Zhangye, northwest China\'s Gansu Province. Danxia landform is an unique type of geomorphology formed from red-colored sandstones and characterized by steep cliffs. (Photo/China News Service)](http://www.ecns.cn/hd/2019/04/15/e23a47d3d77f4ad09c05c446f107cebe.jpg)
Photo taken on April 14, 2019 shows a view of Danxia landform at Danxia National Geological Park in Zhangye, northwest China's Gansu Province. Danxia landform is an unique type of geomorphology formed from red-colored sandstones and characterized by steep cliffs. (Photo/China News Service)
![Photo taken on April 14, 2019 shows a view of Danxia landform at Danxia National Geological Park in Zhangye, northwest China\'s Gansu Province. Danxia landform is an unique type of geomorphology formed from red-colored sandstones and characterized by steep cliffs. (Photo/China News Service)](http://www.ecns.cn/hd/2019/04/15/e80fe103b4044996a33a737314cb7ade.jpg)
Photo taken on April 14, 2019 shows a view of Danxia landform at Danxia National Geological Park in Zhangye, northwest China's Gansu Province. Danxia landform is an unique type of geomorphology formed from red-colored sandstones and characterized by steep cliffs. (Photo/China News Service)