Mysterious circular holes in Russia

The strange incident occurred continuously since the end of the 1980s: among the lush old forest, deep caverns were found, into a hollow and slippery cave like an eel.

The puzzling thing is: the giant circular holes are always located in the most remote location of the forest, also the most wooded and luxuriant trees. Giving out loads, excavators or any digging tools here without leaving traces difficult to cross . into the sky. Moreover, there were no traces of rock and earth digging around. It was as if a giant invisible hand had reached into the ground.

Many adventurers have come here and used ligaments to bring people down into the pit, hoping to clarify the mystery over the past two decades. After all, they all returned to empty hands: the dark hole like a button and deep hole seemed to never reach the bottom.

How these round holes are created, by whom, for what purpose . all answers remain in the mystery.

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