Satellites show giant hole ringed by 20 'baby craters'.
Journalist Kate Baklitskaya today begins an epic 3 month tour of some of Siberia's most iconic places.
Greenpeace claim authorities underestimate the scale of destruction, amid warnings of lack of resources to fight fires.
Or is it too expensive to put the environment before the need for energy?
Lena Pillars, a World Heritage Site, hit by the rampant flames, as calls grow for greater efforts to tackle infernos.
Most fires will not be extinguished, with major cities polluted by fumes.
Mysterious 'gigantic' hole in remote region spotted by helicopters over gas-rich Yamal peninsula.
Reindeer herders find more craters in the far north in a deepening puzzle for scientists.