1、No.7,Topic: Mirror of the Sky,Do you like animation ?,We often see these images in the animation.,The water is like a mirror.The sky is clearly reflected in the water.,Can we see the pictures in the real word?,Yes,English name: Uyuni Salt Flat,Chinese name:乌尤尼盐沼,Place：Bolivia,South America,玻利维亚,Lets
2、 go,Uyuni salt marsh was formed in Andean uplift process.Many Salt lakes were formed during the crustal movement.,Every winter, it is filled with rainwater, forming a shallow lake.,Especially after the rain , the lake reflects beautiful breathtaking sky scenery .People can drive the lake.,its large area, clear skies and exceptional surface flatness make the Uyuni Salt Flat an ideal object for calibrating the altimeters of the earth observation satellites,乌尤尼盐湖面积大，良好的平整度和地表反射率，使其成为校准卫星高度的地方。,Long from east to west: 250km,Wide from north to south:100km,enjoy,Please,
