RUSSIA HIDES THE PRESENCE OF AN ADVANCED UNDERWATER “EXTRATERRESTRIAL CIVILIZATION”

There is a very peculiar supernatural activity suspected of involving alien creatures, responsible for mysterious events related to the Russian submarines of Soviet Union times.
However, it seems that the Russian authorities want to keep what is happening under the utmost secrecy and all the archives in this matter have been sealed.
Now, two researchers named Paul Stonehill and Phillip Mantle have decided to come to an end to these mysterious events.