This image is in the public domain because it is a screenshot from NASA’s globe software World Wind using a public domain layer, such as Blue Marble, MODIS, Landsat, SRTM, USGS or GLOBE.
This work was previously under Public Domain, or a Free License. It has been digitally enhanced and/or modified. This derivative work has been (or is hereby) released into the public domain by its author, Sting at the French Wikipedia project. This applies worldwide.
In some countries this is not legally possible; if so: Sting grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.