how were the pyramids built video?

How were the pyramids actually built?
It was made out of 186 stones weighing an average of 2.2 tons each. Twelve quarrymen carved 186 stones in 22 days, and the structure was erected using 44 men. They used iron hammers, chisels and levers (this is a modern shortcut, as the ancient Egyptians were limited to using copper and later bronze and wood).
Full answer in: en.wikipedia.org
How were the pyramids built using simple machines?
It is believed that the Egyptians constructed the Great Pyramids using simple machines. Inclined planes helped to raise stones up the pyramid. A pulley system helped hoist large stones. A lever system was used to get building materials to the top of the pyramid.
Full answer in: www.twig-world.com
Was the pyramid built from top to bottom
The answer is simple - no they were not built from the top down.
Full answer in: www.quora.com