given the geological past and its long history, the lake has spawned unique life forms which we call endemitesthat means they are found here and nowhere else in the world. that's a unique feature. (4'40) the biggest problem here is man-made, namely over- exploitation of natural resources such as the forests, or over-fishing. over-exploitation is the biggest threat. and it goes hand in hand with an increase in waste. >> it's a hot day and it really stinks round here. even worse, autumn is on its way and that means rain. then all the refuse is washed into the lake and the fish nibble at the plastic. then people eat the fish. so all that garbage ends up being eaten by humans. >> vasil male and a colleague are patrolling the banks of the lake on the albanian side -- where it's easier to spot illegal loggers. >> we're not trying to act like police. our controls are personal, we want to talk to the people. we want them to understand that this is a very special corner of the planet and we want to convince them that its lakes and forests need to be respected. we can't just go polluting them and destro