Scientists discovered a vast underground structure beneath the Pyramids of Giza using advanced radar technology. The system has multiple levels and geometric pathways. These findings challenge the belief that pyramids were only royal tombs. The subterranean network may have had a mechanical or energy-related function. Researchers want to excavate further, but permission is uncertain. Scientists discovered a vast underground structure beneath the Pyramids of Giza using advanced radar technology. The system has multiple levels and geometric pathways. These findings challenge the belief that pyramids were only royal tombs. The subterranean network may have had a mechanical or energy-related function. Researchers want to excavate further, but permission is uncertain. Economic Times