There are many megaliths in the world, inside of which there are perfectly smooth and carefully cut holes. It is believed that they were made by hand in time immemorial. But, looking at these photographs, you are convinced that it was not without special equipment and high technologies. For example, some holes are so deep that there is not even enough arm length to push it into the stone - that is, they clearly worked here with the help of perfect tools.
Promotional video:
In the photo below - "The Star of the Wold" (Norway).
Author: Natalia Trubinovskaya