http://www.voanews5aitmne6gs2btokcacixclgfl43cv27sirgbauyyjylwpdtqd.onion/a/china-s-mars-rover-finds-signs-of-recent-water-in-sand-dunes-/7071430.html
"This is clearly a new piece of science for this region," he said in an email. Small pockets of water from thawing frost or snow, mixed with salt, likely resulted in the small cracks, hard crusty surfaces, loose particles and other dune features like depressions and ridges, the Chinese scientists said.