They landed, said "let's build some huge triangles for shits and giggles" and then they fucked off.
Wet sand, along with pulleys and lots and lots of man power, and using the Nile to float stones from upstream to the building site. More complicated than that, but yeah.
Wet sand, along with pulleys and lots and lots of man power, and using the Nile to float stones from upstream to the building site. More complicated than that, but yeah.