Dune Sea in Mars Crater...
[caption id="attachment_28815" align="aligncenter"... ...n. What has officials at NASA excited about the dunes is their symmetric nature. The dunes here are linear, thought to be due to shifting wi... ...aces, each dune is remarkably similar to adjacent dunes , including a...
https://www.neatorama.com/2010/01/14/dune-sea-in-mars-crater/
