https://www.theblaze.com/news/2012/03/14/red-deer-cave-people-may-be-new-human-species
"They're anatomically unique among all members of the human evolutionary tree."
red deercave peoplehuman speciesmaynew
https://www.livescience.com/archaeology/9000-year-old-rock-art-of-people-swimming-in-whats-now-the-arid-sahara
This series of paintings, found inside a cave in the Sahara, shows a pair of swimmers.
cave of swimmersyear oldrock art