Tootfinder

"The #petroglyphs, largely carvings of circles filled with lines and other geometric strokes, are attributed to humans who lived in the region anywhere between 9,400 and 2,620 years ago. "They were small seminomadic groups of hunters and gatherers who lived in society and used objects made from stones," #IPHAN

9,000-year-old rock art discovered among dinosaur footprints in Brazil
Ancient hunter-gatherers created rock art next to dinosaur footprints in what is now Brazil.