This is surprising, especially considering the age of the victims. It doesn't take too long in extremely cold country to learn that you better be prepared.
Then again, I see men my age (35+) all the time going in the store/gas station/etc in shorts and flip flops with a hooded sweatshirt and it's 15 F outside with windchill.
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“Learning is not compulsory... neither is survival.”
W. Edwards Deming