[medved]

You don't see the rows of rectangular strudtures in the image?? Mother nature doesn't do that sort of thing.

[TomB]

You don't see the rows of rectangular strudtures in the image??

I don't see ROWS of anything. If that is manmade, why aren't the structures uniform in size and shape?

Mother nature doesn't do that sort of thing.

Doesn't do what sort of thing?