Compléter UNIT 5 READING 9THVersion en ligne Students have to complete the reading with the right words par Douglas Rivera 1 was eroded be formed viewed was looks is created was seen thought The Eye of the Sahara is a colorful rock structure in Mauritania , in western Africa . When it from above , the circular , dome - like structure like a giant bull's eye . people once that it by a meteor that struck the earth many years ago . However , it in fact from uplifted rock . This rock by wind over many years . The structure is 40 kilometers wide and can by astronauts from space .
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