SECURITY *Casing stone matching other wall stones *utmost precautions were taken to make sure no one got in the the pyramid
COSTS *money didn't end when the pyramid was done *Pharos money was raising as pyramid was about to finish
STEP PYRAMID *Made of stone, oldest monumental stone building in world *rebar sent a Stein way *the first pyramid was made out of ston *the first true pyramid was a Bent pyramid desert (2589) b.c.