HiRISE 3D: Tongue-Shaped Flows
The objective of this observation is to examine tongue-shaped flows and gullies in on the west wall of a crater. The flows are somewhat hollowed out, like they have lost most of their ice.
https://www.uahirise.org/anaglyph/ESP_066431_1335_ESP_073883_1335_RED
NASA/JPL-Caltech/UArizona