This image from NASA Mars Odyssey shows the southeast flank of Olympus Mons. This huge volcano is surrounded by an escarpment, a large cliff at the volcano margin; a landslide lies alongside the escarpment.
This image from NASA Mars Odyssey shows the southeast flank of Olympus Mons. This huge volcano is surrounded by an escarpment, a large cliff at the volcano margin; a landslide lies alongside the escarpment.