Hidden corridor discovered in Egypt's Great Pyramid of Giza
The unfinished corridor was likely built to relieve the weight of the pyramid on either the main entrance, seven meters below.
View of the Great Pyramids of Giza during the fourth annual Pyramids Half Marathon named "Race Through History" in 2022, in Giza, Egypt December 10, 2022. (photo credit: REUTERS/AMR ABDALLAH DALSH)Updated: 
