Downshifter. Denisov V.

In 1908, over the Tunguska taiga, in the interfluve of the lower and under-Kamenny Tungusko, a little north of the small factory of Vanavar exploded an unknown space object, which is considered to be a meteorite. His secret is still not unraveled. The first scientific expedition of Professor Leonid Alekseevich Kulik went to the place of disaster only after nineteen years.

more than a hundred years have passed, and the cosmic phenomenon repeated with localization in about the same place, but this time the answers to numerous questions were found Quick enough.