Carbon Dating Reveals the Timing of Puerto Rican Cave Art
New dates from cave art pigment add to evidence that Indigenous Puerto Ricans inhabited the island for millennia.
https://eos.org/articles/carbon-dating-reveals-the-timing-of-puerto-rican-cave-art #PuertoRico #CaveArt #precolumbian #BCE #petroglyphs #pyroglyphics #pictographs