Warmer winter caused problems for Sergey whose misfortune, and quick rescue, were captured on his own hi-tech camera.
Pensioner, 77, slipped into freezing water but his dog Dick raised the alarm, summoning a rescuer.
Keep this to yourself, but one of the last great undiscovered travel secrets on our planet is the Land of Fire and Ice.
Sixteen runners braved extreme temperatures at the Pole of Cold.
Endemic to the remote island of Novaya Zemlya, it survived the Ice Age here, scientists believe, the only creature known to have done so.
Swimming 1km, in the middle of the winter, in Siberia, at water temperature of zero Celsius and air temperature below -30C.
Boris Fyodorov, 37, complains it was 'too warm', and now wants to try in minus 60C.
Forlorn polar bear named Umka turned up at a Russian police station as if pleading for help: now he is back where he belongs.