Cinematic 4K 60 fps. The stream on the plateau is covered with high and thick snow. Everywhere is covered with white snow in the snowy winter season. Snows cold air calm weather frozen ice iced icy wintertide coldest hard wintertime supercooled freezing frost soft terrestrial continental polar northern grassland prairie moorland lowland meadow aerial view drone fly flight overhead steppe nature wold pasture plain tableland north southern riverbed south eastern east western west boreal landscape UHD 3840X2160