The sun's rays breaking through the crowns of treesThe sun's rays breaking through the crowns of trees
Fog over the river on the background of a snowy forestFog over the river on the background of a snowy forest
An island with pine trees, and everything is white aroundAn island with pine trees, and everything is white around
Непрозрачный воздух, насыщенный водяными парами, а также загрязнённый пылью, дымом, копотью и т. п..