Planet of the Megaliths
I do not know who the woman with the lovely Russian accent is. She is obviously well informed and perhaps a professional researcher.
I thought I was fairly well informed about the various ancient stone structures around the planet, but this certainly opened my eyes and showed me that it is far more widespread than I had imagined.
Pyramids in Germany, Russia, Southern France – some of these I wonder how it is possible that we have not heard of them before …