People often wonder how the Egyptians could build such huge buildings so long ago. But really a pyramid is not hard to build, if you have plenty of cheap workers available. They're just a big pile of cut stones with smoother stones over the top. First they built a small mastaba-style tomb on the ground, in the ordinary way. They moved many large stone blocks to the pyramid from the quarry, about 2 km away, probably on wooden rollers or on sleds. Then they probably they built long ramps of dirt and then rolled the stones up them. They kept making the ramps higher and longer. When the pyramid was done, they took the earth ramps away again.