spruce and birch trees covered with frost in winter forest, close-up. snow lies on the branches of trees and glistens in the sun

background beautiful beauty birch blue branch branches christmas close closeup cold conifer coniferous covered day december decoration environment evergreen fir forest freeze frost frozen glistens green hoarfrost holiday ice landscape lies macro natural nature needle nobody outdoor park pine plant season seasonal sky snow snowfall snowflake snowy spruce sun sunny tree trees twig weather white winter wood