Other reading: Yellowknife versus Ulaanbaatar and Yakutsk
What’s the world’s coldest city? Yellowknife in Canada, where windchill regularly takes the temperature below -30C? Ulaanbaatar in Mongolia, where you have to thaw the ground to bury people? Or Yakutsk in Russia, which few aeroplanes are rated to visit? Residents of Yakutsk out in temperatures of -46C last January. Photograph: Maxim Shemetov/Reuters