Trousers were hung outside after being washed. Several minutes later, they became completely frozen and could stand up independently.
In recent days, the cold front continues to affect Heilongjiang province. People experienced extreme cold in the city of Heihe, especially on the frozen Heilongjiang River.
Can you image a pair of trousers standing up independently? It happened in Northeast China's Heihe city when wet trousers were hung outside when the temperature was -42 C. Furthermore, in extreme cold, cellphones fail to work outside after a half-hour and a bottle of beer can explode because of freezing.