For serious discussion of the controversies, approaches and enigmas surrounding the origins and development of the human species and of human civilization. (NB: for more ‘out there’ posts we point you in the direction of the ‘Paranormal & Supernatural
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The stone spheres are natural formations. You can see the onion layering occurring in some of them. The reason that the Olmec heads in Costa Rica do not have bodies is because they were carved from this type of stone.
I've watched some of these Vlad videos but what is the point of cobbling together natural and artificial images without any explanations? It might be more fruitful for you to download the more anomalous ones and present those for discussion.
I'd be interested in the smooth glazed surfaces with the longitudinal striations. They could certainly assist in proving your point.