The research, identified a tunnel that connected the pyramids of Giza. The tunnel has been identified as an ancient Nile branch, known as the Ahramat.
How were the Great Pyramids built? It turns out, science and history has a lot of the answers.
There are over 1,100 UNESCO world heritage sites around the world. Here are a few you can go visit.
Theorists can spin this discovery as anything they want, though expert geologists believe it is just a mountain.
The unfinished corridor was likely built to relieve the weight of the pyramid on either the main entrance, seven meters below.