The bizarre rock formations of Dunhuang Yardang National Geopark

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Dunhuang Yardang National Geopark is a national park located primarily in the Chinese province of Gansu, not to far from Dunhuang, that shows the 700,000 years old Yardang geological feature of the area. A Yardang is a streamlined protuberance carved from bedrock or any consolidated or semiconsolidated material by the dual action of wind abrasion by dust and sand, and deflation which is the removal of loose material by wind turbulence. Yardang has been created over time by the soft part of the earth's surface being eroded by wind and rain, with the hard part of the rocks remaining in the desert. Lying at the juncture of Gansu Province and Xinjiang Uygur Autonomous Region, the geopark (敦煌雅丹国家地质公园) is located about 180 kilometers northwest of Dunhuang's town center and covers an area of 398 square kilometers. The Yardang geomorphic formations found in the Dunhuang Yadan National Geopark are the largest in China.

Source: Wikipedia 1 , 2 , Ctrip

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