The base of all pyramids, once stood in the water and had deep shafts towards a crystal layer.
Old arabian story is telling about the inner copper works inside of the pyramids (together with large shining crystals within.)
We can find pyramids almost everywhere in the world, even Grece had them as well as France.
Batteries? Depletion of water into Ozone? And what to say about the mica layers below the South American pyramids?