Scientists who say they discovered a vast city beneath Egypt's Giza pyramid have shared new details about the age of the hidden structures and who may have built them.
Scientists claim a 'vast underground city' beneath Egypt's Giza pyramid, predating it by tens of thousands of years, was built by a long-lost advanced civilization. This claim, based on radar pulse analysis and interpretation of ancient texts, has been criticized by scientists and Egyptian authorities, who question the data and the depth of radar penetration.
