Fused together skimming stones on Mars?

Where once we saw canals or canali (channels) on mars, now we see a dried river bed?

Video by NASA on how NASA's Mars Curiosity mission may have found evidence of water once flowing on Mars, was initially found below

https://www.nasa.gov/multimedia/videogallery/index.html?media_id=153008151

Now is maybe or maybe not found somewhere else ;-).