丝路来华（北京）教育科技有限公司
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中文简体Danxia landform at Wangjiawan of Pingqiao Town in Ansai District of Yan'an, northwest China's Shaanxi Province. Danxia landform is a unique type of geomorphology formed from red-colored sandstones and characterized by steep cliffs.
Danxia landform at Wangjiawan of Pingqiao Town in Ansai District of Yan'an, northwest China's Shaanxi Province. Danxia landform is a unique type of geomorphology formed from red-colored sandstones and characterized by steep cliffs.
