Done in the 70’s....crystal revelation, auras,...they just recycling crap, cause they’re running out of stuff to lie to us about...can’t wait for the aspiring kirlian photographic hip hop artist.
You need to understand this guy is an actual engineer and machinist. Egyptologists do no look at ruins with those principles in mind ... you should keep an open mind when it comes to ancient history ... very little is known for sure when you go back 5-7000 years and beyond.
And the Egyptians and others used crystal lenses optically ground FWIW