2 Jul 2014 - A Giant Cave on a Giant Volcano

[NASA]

http://solarsystem.nasa.gov/missions/images/miss-mro.gif (http://solarsystem.nasa.gov/news/display.cfm?News_ID=47834)2 Jul 2014 - A Giant Cave on a Giant Volcano
Images and digital terrain model (DTM) show a collapse feature on Pavonis Mons.


More... (http://solarsystem.nasa.gov/news/display.cfm?News_ID=47834)

[Pweeky]

This is interesting...