I find the ancient stone works the best evidence for some kind of advanced civilization in the far past. (No not aliens). Some date back 10.000 years ago. The p

I find the ancient stone works the best evidence for some kind of advanced civilization in the far past. (No not aliens). Some date back 10.000 years ago. The precision and similarities between different sites all over the world is incredible. We are just in the beginning of this research field.