HiRISE 3D: Pits Sourcing a Channel
This image shows collapse pits at the edge of an infilled basin adjacent to the heavily faulted Ceraunius Fossae. These pits may be volcanic. A channel originates from one of the pits and continues into the basin.
Full image: https://www.uahirise.org/anaglyph/ESP_075633_2105_ESP_084903_2105_RED