Почему зимой в доме оконные стекла потеют, если в комнате много людей?

During the summer vacation, I was in Karpatah.Eto the most beautiful mountains which are only byt.A it on our Ukraine.Tam I went to Svaljava and bathed in the thermal basseyne.Hodila hiking in the mountains and rode the lift Zahar Berkut.Tak I was in the castle Palanok in Uzhgorod in the entertainment center for children in the Hungarian Dzhin.Kupalas mountain stream Latoritsa.Eto had a memorable vacation.