You are now standing atop Khufu, 449 feet above the plateau. Until early in this century, this pyramid was the tallest building on earth. The wooden surveying tripod at the summit indicates the ...

Built in the style of the Nubian pyramids, it stands at 37 meters high and has a square base with each side approximately 30 meters long. The pyramid is made of brick-faced concrete covered with ...

The team also used high-resolution satellite images to model ancient rainfall and runoff levels. In this model, a walled enclosure several hundred meters from the pyramid captured floodwater that ...