No, I think youre just seeing more unicorns in the sky.
I don't even know if youre being serious, and if you are, I would be a bit concerned that perhaps youre listening to George Nori too much (and believing his guests).
Lets take your "bunker" and compare it to the grains of sand in the area surrounding. Any ieas on the size of that "bunker"? You've not seen enough in the world of rocks I can tell. e see examples of all kinds of rock structure made by intersections of cooling cracks or intersections of cracks, cleavage or bedding planes. There are many places on the earth where such features are common.These are box -in-box joints or box stone.
As far as Simon Bolivars statue, I was just kidding . Just as if I were making pictures my imagination created (like as when we were kids looking up at cumulus clouds and calling out the animals we could see)