Permission is granted to copy, distribute and/or modify all map layers and relief maps under the terms of the GNU Free Documentation license, Version 1.2 or any later version published by the Free Software Foundation except the labeling layer and contour layer. The labeling layer and therefore the copyright is the same as used in the satellite view with Google Maps.
{{Information |Description={{en|1=Topgrafic Map of the three gorges }} {{de|1=Topografische Karte der drei Schluchten des Yankze}} |Source=http://www.maps-for-free.com/ |Author=maps-for-free.com |Date=19.9.2008 |Permission= |other_versions= }} GNU Licenc