1 of 10 The case against Mikhail Khodorkovsky and Platon Lebedev is coming to a climax. The affair revolves around alleged irregularities in the 1994 privatisation of fertiliser firm Apatit, based in Russia's inhospitable far north.
2 of 10 The Khibin mountains, reckoned to be the oldest range in Europe, hide a vast amount of minerals.
3 of 10 Apatit was founded in 1929 to exploit the Khibin range's mineral wealth. Its mines were built by prisoners.
4 of 10 After 75 years of exploration, the central open-cast mine reached as deep as 350 metres.
5 of 10 The bedrock is dynamited every week. In the 1980s, even nuclear blasts were used for the exploration.
6 of 10 The temperature drops to minus 50 degrees centigrade, and winds turn into hurricanes.
7 of 10 Sometimes the visibility is so poor that huge lorries lose their way and end up in the mine.
8 of 10 Strong winds, low temperature and high humidity turn any construction into a pile of ice.
9 of 10 In the summer, this was a steel pole just five centimetres wide.
10 of 10 It's difficult to imagine a life more distant from the world of billionaires, lawyers and Kremlin officials. (Pictures and text: BBC Russian Service)