From France, the cave of "Pech Merle" near "Le Cabrerets" - BC. The larger scene depicts a landscape full of wildlife but this portion shows a number of saucer shaped objects that seem totally out of context.
Celtic Priest Stone Monument Ireland century AD Notice the Swasticka at the top of the stone. IT IS NOT Hitlers symbol; it even appears in many other cultures around the world. Research is a wonderful thing. The Native Americans had this symbol also.