“Gullies of Matara Crater” was uploaded to Flickr

Gullies on Martian sand dunes, like these in Matara Crater, have been very active, with many flows in the last ten years. via NASA ift.tt/2GDsf1J
embiggen by clicking https://flic.kr/p/25MLuK3
Gullies of Matara Crater was taken on April 05, 2018 at 04:31AM