The rays of the sun through the trees in the forestThe rays of the sun through the trees in the forest
The sun illuminates the fir trees in the mountainsThe sun illuminates the fir trees in the mountains
A tree in the foreground with a winter background and mountainsA tree in the foreground with a winter background and mountains
Непрозрачный воздух, насыщенный водяными парами, а также загрязнённый пылью, дымом, копотью и т. п..