A team of scientists continues to explore megalithic ruins found in the Yucatan Channel near Cuba. They have found evidence of an extensive urban environment stretching for miles along the ocean shore. Some believe that the civilization that inhabited these predates all known ancient American cultures. So far, only computer models of this mysterious underwater city exist.
intriguing artwork - intriguing possibilities. But the idea that this 'proves' ancient alien intervention is making enormous yet narrow assumption that denies an opportunity to explore/consider/discover other possibilities or probabilities that would be even more astonishing!