The river’s path highlights the circular structure in this natural-color image acquired by the Landsat-7 satellite on April 1, 2000.

（环状的）河流使文博尼亚马之地的环状轮廓在图像上突显出来。 这张真色彩图像由地球资源七号卫星于2000年4月1日拍摄。

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Image taken by Landsat 5 on Feb. 1, 2007.

2007年2月1日由陆地卫星5号拍摄。

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Image taken by Landsat 7 on Feb. 1, 2003.

2003年2月1日由陆地卫星7号拍摄。

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This record has been obtained and continuously updated by sensors onboard a series of land-imaging satellites that began with the launch of Landsat 1 in 1972.

UNESCO: MEDIA SERVICES