It just happened. The cold is not weak, the groves freeze easily (Far East), I climb the stairs to the entrance door of the paraker. The door opens, the craftswoman with a boiler of boiling water and says: "The cleaner washed our steps here an hour ago, they froze with ice, you are more careful, I split it and pour a boiler on the stairs... During the time I was there on the new ice, three people turned up.