Astronomers are exploring what might be described as the first astronomical observing tool, potentially used by prehistoric humans 6,000 years ago. They suggest that the long, narrow entrance passages to ancient stone or megalithic tombs may have enhanced what early human cultures could see in the night sky, an effect that could have been interpreted as the ancestors granting special power to the initiated. (Continued in comments).
Similar to AZORES - Deep down below the cold surface of the Bermuda Triangle, what looks like pyramids have been discovered. Even better is that they appear to be made of crystal. Why in the Bermuda Triangle?