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Russia
Russia is the 2nd coldest country in the world. It is a landlocked Asian state, which is the coldest in the world. Even in extreme summers, the temperature remains around 03 degree Celsius. Imagine how low it could get during extreme winters. Yes! It reaches to less than -40 degrees centigrade in harsh snowy winters. Except for 2 months, there is no sunlight for rest of year. So if you have survived in Russia you can practically survive anywhere.
