How did ancient Egyptians cut a rock mountain into three-ton stones without dynamite?

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I came across this and this amazed me. This is an example of what men who work in quarries know, which most of us would never guess at. You have to see the photos.

Here’s the link: https://www.quora.com/How-did-ancient-Egyptians-cut-a-rock-mountain-into-three-ton-stones-without-dynamite