Yura said that in winter, the temperature in Tynda drops to -47C.

BBC: A train to nowhere in Siberia

The temperature reached more than 30 below zero in the winter, over 100 degrees in the summer.

WHITEHOUSE: Veterans Day in South Korea

These systems are not only important in the winter months, but also in the summer months, because at higher altitudes, the temperature is well below freezing year-round.

CNN: Airplane deicing: The how and why

The heating and cooling systems use air that has been earth-tempered drawn into a large tube and passed through the ground, which has a consistent temperature that is cool in the summer and warm in the winter.

BBC: The futurist: The sustainable Spaceport America

Inside the greenhouse, lines of bright sodium lights shine down on the growing tomato plants, and the temperature remains a constant, warm 23C -- even in the depths of winter when outside temperatures drop well below freezing.

BBC: A local food scene burns in Iceland

If this were to change, and the Earth became unstable, then parts of the world could experience much greater temperature swings than we are used to through any given year, with freezing Arctic temperatures in winter followed by blazing hot temperatures in summer.

BBC: Why the Moon is getting further away from Earth

By tapping that temperature, Fort Knox can keep cool on hot summer days and warm up in the dead of winter.

FORBES: Fort Knox's Buried Treasure

Marham recorded a temperature of -13.1C (8.4F) overnight, the lowest in the UK this winter.

BBC: Snow shuts hundreds of Norfolk schools