In some places they are of ideal shape, in others they can be “crooked” and chaotic, but one way or another they are almost everywhere, but why they were created in the past and how is a mystery.
You can just endlessly give examples of these very square grooves, since they are really everywhere. Practically on any ancient structure and a separate large megalith, you can see these inexplicable traces by historians.
In general, I have several versions for what and how they were made. But the very first thing that raises questions is the square shape. Why not round?
It is clear that not every stone can be made with primitive tools (a stick, for example), but in principle it is real. But for unknown reasons, these traces are square, which greatly complicates their creation process.
About a month ago I wrote an article about rock indentation marks and it seems to me that square notches around the world in megaliths are also closely related to this topic. Only there I put forward the version that these are traces of an unknown technique. And now, to a few of my versions.
Why could such recesses be made? The first and most commonplace version is the simplification of transportation, whether by air or by land transport.
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Historians cannot explain how many of the megaliths were transported. In Ollantaytambo, for example, the nearest quarry is located in a deep gorge and without an aircraft, in theory, the megaliths could not be transported, but they were delivered to the site, processed and installed.
It's the same in other places. Either the quarries are difficult to reach in terms of distance or terrain, or the megaliths are too huge, even for our time and, accordingly, the level of technology development.
In fact, this version, although the most commonplace, but it explains a lot. Ancient civilizations simply could have something attached to these recesses, which made it possible to transfer megaliths without any problems. In this case, everything is quite simply explained.
But there is another version - this is a technical purpose. On the one hand, how small notches could do something, or be auxiliary for something technical, but on the other hand, nothing is known about ancient civilizations.
The only thing worth noting is the different sizes. Somewhere, the notches were made in the size of half a palm, in more rare cases the size already corresponded to two human palms approximately.
It is difficult to answer what this size, as well as different depths, influenced. The only fact is that they were created as if using the same technology, but in different cases, different sizes and recesses.
It is possible to come up with some other "incredible version" of the purpose of the grooves, but it seems to me that it is too obvious and plausible for fastening some devices / cables, although again, it is difficult to prove it with something.
The Pont du Gard aqueduct, as you can see, in the most common blocks, the same tracks as in the huge megaliths.
But in any case, even if ropes were attached there, for example, it is impossible to explain the movement by the official history of many megaliths. In Baalbek, for example, trilithons could only move through the air, since the terrain simply would not allow it to be done on the ground.
This means that individual huge megaliths, as well as small blocks already for structures, could be moved through the air. Again, this is just my main version of many others. Everyone can suggest their own version, and that's all and thank you all for reading.