usually stone that they would chip off cave walls and eventually carve
swords and cataracts
glass,candy or diva
Earth fire and Air
Travertine, a sedimentary rock, was used to construct the exterior.
Stone, brick, tamped earth, wood, and other materials
Glass and Steel
Earth fire and Air
smart stealthy ones...
Blocks and metal
Sand/dirt , sandbags , shovels , and a lot of human energy .
Steel, borated concrete, lead, etc.
Egyptians