Of all the chambers in the Great Pyramid, the subterranean chamber is the largest, as well as the most mysterious. It is 46 feet long, 27 feet wide, hewn into the limestone bedrock, and difficult to describe. The descending passagewayÂ’s entrance to the subterranean chamber is near the floor at the northeast corner. A six-foot-wide square pit shaped like a funnel has been tunnelled in the middle of the floor, near the east wall. This square-shaped pit is actually the mouth of a shaft that is eleven feet deep, although in 1816 the Italian explorer Count Caviglia drilled into the...
