Today's VIS image is of the eastern flank of Pavonis Mons where the volcano meets the surrounding volcanic plains. The arced features toward the top of the image are fractures and lava tubes that were revealed by collapse of the roof of the tube into the underlying void. Orbit Number: 72343 Latitude: 0.300092 Longitude: 249.729 Instrument: VIS Captured: 2018-04-05 21:52 https://photojournal.jpl.nasa.gov/catalog/PIA22580