Pyramids

1_made without technology:pyramida are built 4500y ago 2_with 2.5million Cube stone and the wheight each one is 2200kg and additionally 6million ton 3_in the distance of 100km there is no identical stone with pyramids stone 4_pyramida are made in middle of the Desert but its temperture is 20°(degree) (The foods dont get expired in pyramids) 5_the top stones on pyramids are older than middle and below so its means the pyramids are made from top to beneath