(114 min; 1991)
Director: Yuri Beliankin

Lake Baikal, the "blue eye of Siberia," is the earth's oldest and deepest lake. It holds a fifth of the planet's fresh water and is home to over 2,500 species of fish and crustaceans. For the indigenous people living along its shores, its cliffs are gods, its creation the subject of legend. But this ancient ecosystem is now endangered by overfishing and industrial pollution, to the point where it would take the rivers feeding the lake up to 400 years to restore it to health