In pictures: Crossing the world's deepest lake - BBC News
In pictures: Crossing the world's deepest lake - BBC News Oleg Boldyrev's photographs capture the frozen landscape of Lake Baikal, in Siberia.icelakelake baikalrussiaLINK
In pictures: Crossing the world's deepest lake - BBC News Oleg Boldyrev's photographs capture the frozen landscape of Lake Baikal, in Siberia.icelakelake baikalrussiaLINK