Frosted christmas trees are covered with snow on the mountainsideFrosted Christmas trees are covered with snow on the mountainside
Fir trees in the mountains are covered with frost and stand in a hazeFir trees in the mountains are covered with frost and stand in a haze
Сильный холод (с температурой воздуха ниже нуля). Холодная погода (с температурой воздуха ниже нуля).