From 7:30 am to 8:30 am in midwinter, the lowest temperature of Mohe, Heilongjiang Province, also known as the “North Pole of China,” can reach below -40 degree celsius. (Photos: Xinhua)

The cold is very likely to cause icy fog, with visibility at only 100 meters.

To guarantee the safety of citizens, the duty traffic police in Mohe stick to their posts in all weather.

The traffic police bear the coldest weather at rush hour every morning.