Om avsnittet
Join us as we continue to investigate the strange rocks known as petroglyphs. In this episode we'll talk about the possibility that these scratched and chiseled surfaces are much, much more than rock 'art'.
Join us as we continue to investigate the strange rocks known as petroglyphs. In this episode we'll talk about the possibility that these scratched and chiseled surfaces are much, much more than rock 'art'.