I have been searching for this thread again for ages and now I have finally found it. I want to add this picture which shows two structures, both of which maybe some kind of "built structure found under a rock". One is on the left and one is on the right of the picture. The search facility on this forum could be better, or maybe we need to use the tagging system more.
I have zoomed in closer to this object and the right-hand side of it appears to have a carving of half a face on it. This is not unusual as I have noticed that carvings of heads and faces seems to be a trade mark of the people that created them. There are carvings everywhere. You can be sure you have found a face if the head has a cranial protrusion which looks like a large lump on the frontal bone of the scalp.
Some would say what we are researching is crazy and would further say, 'what's the point when there's nothing there'. This is one of the major problems. In the past we have all been led to believe that what is written in the text books and what the scientist told us was the truth. Now the chickens are coming home to roost.
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"All truth passes through three stages. First, it is ridiculed; Second, it is violently opposed; Third, it is accepted as being self-evident."