The researchers claim to have discovered eight vertical cylinder-shaped structures, referred to as shafts, extending approximately 2,100 feet deep beneath the pyramids.
Scientists previously believed that pyramids were exclusive tombs for pharaohs or nobles.
Walsh concludes it's hard to believe anyone but the ancient Egyptians built the pyramids.
The polished limestone made the pyramids visible from great distances, impacting anyone approaching the Giza plateau.
The figurines bear expressions that change depending on the angle from which they are viewed.
Accompanied by Dr. Zahi Hawass, he explored narrow passages and secret chambers not accessible to the public.
The design of the tomb was inspired by the pyramids of Egypt, reflecting the cultural fusion present in Rome after the conquest of Egypt in 31 BCE.
18 golden eagles found in Burial 6 represent months in Teotihuacán's 365-day calendar.
Ancient Kushite pyramids in Nubia remain under threat due to ongoing conflicts.
The answer can only be seen from the air.