File talk:PIA17603 Erosion by Scarp Retreat in Gale Crater, Annotated Version.jpg

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Explanation from source problems

[编辑]

If there are "arrows indicating wind direction", I sure can't find them, here or at the source.

Also, I can't find an explanation of the "X" on the skyline. Just sayin' --Pete Tillman (留言) 16:35, 22 September 2016 (UTC)[回复]

取自“https://commons.wikimedia.org/w/index.php?title=File_talk:PIA17603_Erosion_by_Scarp_Retreat_in_Gale_Crater,_Annotated_Version.jpg&oldid=299526087”