This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Major endorheic basins. Major endorheic basins shown in grey with major endoheric lakes in black page is org php title Image AMajorendorheicbasins here Citynoise en release it into the public domain en Citynoise original upload log All user names refer to en Citynoise bytes no made this map and release it into the public