There's a spot in one of the corners of the Sphinx enclosure that looks like water poured over it in a concentrated stream. That's not from the river, as the Giza plateau was chosen precisely because it remains above the Nile flood level. It's runoff from the rains off the plateau. The rest of the wall surfaces in the enclosure, plus the original temple walls, show the same rain-induced erosion.
Nothing combative or prejudicial in that wiki-wacky page:
...attributing their creation to Plato's lost civilization of Atlantis over 11,500 years ago.
That's the kind of ****ing by association that was done during the AAAS show trial.
Most of the pyramids were hydraulic ram pumps that elevated the water flowing from the causeways to about 2/3 the height of the pyramid and the water flowed west to irrigate farm lands. The wooden structures are no longer there.
Fossil Suggests The Great Pyramids And The Sphinx Were Once Submerged Under Water
““To my surprise, the bump on the top surface of the block that almost tripped me was in fact an exoskeleton of a fossil of what appears to be an echinoid (sea urchin) which are marine creatures that live in relatively shallow waters.”