From https://www.nationalgeographic.com/history/article/is-there-a-secret-city-under-the-pyramids- https://www.nationalgeographic.com/history/article/is-there-.

From https://www.nationalgeographic.com/history/article/is-there-a-secret-city-under-the-pyramids- https://www.nationalgeographic.com/history/article/is-there-... > Professor Lawrence B. Conyers, an expert in ground-penetrating radar at the University of Denver, told the Daily Mail that the claims of a vast city are “a huge exaggeration.” Egyptian archeologist Dr. Zahi Hawass, the former Ministry of Antiquities, called the claims “baseless”