Go to 7:00
"The joint that we've gotten is certainly not as good as the ones in the ruin (Sacsayhuaman)"
I must say I would have to agree.
They say that people are prone to understatement don't they.
If you don't believe me go to the video yourself.
Nothing more to be said here.
And by the way the stone doesn't look like andesite either. They claim it is. But they did use cold steel chisels!
A guy shaping andesite, by hand and on camera, a guy with a professional reputation to lose, is refute by a blind man sitting on his ass at home with the words "they didn't use cold steel chisels!"
Perhaps that means that you don't need cold steel chisels one might be led to suppose.
But not one like Zoser.