more petroglyphs Jan 17, 2021 23:29:32 GMT 10 dennisw likes this Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by vincent on Jan 17, 2021 23:29:32 GMT 10 This is the first time I've ever heard of petroglyphs which depict people swimming.www.amusingplanet.com/2021/01/the-cave-of-swimmers.html?utm_source=newsletter&utm_medium=email&utm_campaign=this_week_on_amusing_planet&utm_term=2021-01-16