Archaeologists found a secret chamber at the base of the Great Pyramid of Giza, and they have no idea what it is

• Archaeologists discovered secret structures in Giza, Egypt with ground-penetrating high-tech methods.
• The methods revealed an L-shaped structure and a deeper, larger anomaly hidden beneath bare sand.
• The findings could explain why a large section of the densely packed Western Cemetery is empty.

Egypt holds many secrets to its ancient past, and archaeologists may have discovered a new one hidden beneath the sands of the Western Cemetery in Giza.