Sentinels of the Arctic, Finland - These sentinels are actually giant trees covered in snow .These sentinels are actually giant trees covered in snow and ice. This strange sight occurs in winter, when temperatures range from to degrees centigrade.
executions: Two-time world champion free diver Natalia Avseenko gets ready to swim naked with the white whales in the White Sea. The water temperature is minus Polar circle, Russia. by Viktor Lyagushkin