most polluted cities
Yet nickel capital Norilsk - the city with the highest industrial emissions - does not feature in the top ten.
Vet clinics inundated with cases of cats and dogs suffering health problems and rashes in 'Dirty 30' Siberian city.
Norilsk is home to the world biggest mining and metallurgy complex, and is shut off from the world in more ways than one.
Most fires will not be extinguished, with major cities polluted by fumes.
Historic cities of Krasnoyarsk and Irkutsk ideal to connect country to buoyant Asian markets.
New cities and industries could be created from construction of high-speed railway and motorway routes spanning whole of country.
'When I came to Yergaki National Park I was blown away by the beauty of the place. It was so stunning it felt unreal'.
Sent to Siberia
Born in Siberia
