I remember reading this story or a variation of it 10 years or more ago about how mammoths lived until fairly recently.
They just added the line about the Pyramids.
Still, it makes me speculate that perhaps the heavy lifting was done by elephants?
It’s not like elephants were unknown on the African continent...
Although I wouldn’t want to be the poor sod who had to harness an African elephant!
The last ones died off after the internal combustion engine was invented