Satellite technology may have found something enormous beneath the Great Pyramid of Giza

The use of this technology makes it possible to identify possible chambers and cylindrical shafts hidden under the pyramid ...
来自MSN

Is there really a hidden city under Giza's pyramids? Experts weigh in on theory

There's never a shortage of weird and wonderful historical theories that leave us scratching our heads. Pyramids not built by humans? Been there. Hidden chapter in human evolution? Done that. But ...