This image shows a portion of the flank of Pavonis Mons as seen by NASA 2001 Mars Odyssey spacecraft. The collapse features at the bottom of the image are related to subsurface tubes that once contained lava.
This image shows a portion of the flank of Pavonis Mons as seen by NASA 2001 Mars Odyssey spacecraft. The collapse features at the bottom of the image are related to subsurface tubes that once contained lava.