Cono de Arita, a 200-meter conical hill in northwestern Argentina.
Fullsize image: https://s3-us-west-1.amazonaws.com/h...a_fullsize.jpg
https://s3-us-west-1.amazonaws.com/h..._argentina.jpg
Previously:
https://www.homemadetools.net/forum/...074#post207376
https://www.homemadetools.net/forum/...970#post207039
https://www.homemadetools.net/forum/...971#post164389
https://www.homemadetools.net/forum/...344#post192496
https://www.homemadetools.net/forum/...337#post131236