How were the ancient Egyptian pyramids built?

Answer:
There are many different theories on how the pyramids were built: a long straight ramp, an external spiral ramp, an internal spiral ramp, they were made of locally made concrete, and of course aliens.


Here is a look at six of the most popular theories:


http://www.talkingpyramids.com/how-were-the-egyptian-pyramids-built/
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First answer by ID1172652023. Last edit by Vinbrown. Contributor trust: 0 [recommend contributor recommended]. Question popularity: 2 [recommend question].