article_snippet.sent: A engraved tombstone was found nearby.
article_snippet.sent: A primative tombstone found nearby also hints at this.
article_snippet.sent: During the excavation a large rock was found that reportedly fell from the ceiling and had been engraved with straight lines.
article_snippet.sent: Among these engravings the researchers spotted a V-shaped motif that the researchers suggest represents a pubic triangle, while another has been speculatively referred to as a schematic hand with fingers.
article_snippet.sent: Writing in the Journal of Archaeological Science,
article_snippet.sent: Research has shown that the site was occupied from the Middle Paleolithic 41,000 years ago up to around 1400AD.
article_snippet.sent: the site has been excavated 1996 as part of the by the El Mirón Prehistoric Project including Lawrence Guy Straus and Manuel González Morales from the Universidad de Cantabria.