they're colleagues looking for ships from the second black sea however positive result. video taken a depth of seven meters clearly showing. from a german shell. after the first successful dive alexander head of the expedition formulates a plan on how to lift a fragment of the sunken armored boat. around it. and then we'll see if there is a shell left inside. the first day of the expedition comes to an end. with oxygen divers go for a walk to have a look around. this truly long the sure is related to research to a soviet squadron was here in one thousand nine hundred three. divers normally go underwater tonight they're going underground a long time ago soldiers would go through these dark damp corridors they bring shells here and take the wounded to a safe place quite often members of the expedition do things unrelated to underwater research their own mini cable ducts and this must be an emergency exit for fifteen years businessman alex has been funding expeditions to the black sea in search of sunken ships. i was born in ukraine year and as a child i used to dive with a

however the divers are not expecting much from the first dish even knowing its exact location they doubt they'll find a boat in the opaque waters of the black sea. better go. first aaron one tank will be sufficient for two hours according to the schedule the initial dive is not to last more than forty minutes but before divers spend about an hour under the surface when they come up the reason for the delay becomes apparent they found their boat if. it. was there we saw the gun turret the would this fit there is a part of the gun tower in the machine. will write down a description in a minute for. at the same time for several thousand kilometers to the east another expedition is setting off from the bank of the world's deepest freshwater lake lake baikal. to the people on this march floating on a huge lake is the same as being in outer space they think of themselves as astronauts of the aquatic world and their deep sea submersibles look much like spacecraft. meet mir one or two machines designed during the soviet period back in the one nine hundred eighty s. these water craft can dive to a depth of six thousand meters however they won't need to