Smog
Full length of woman standing against building
Scenic view of sea against sky during sunset
Smoke emitting from factory against cloudy sky
High angle view of city street and buildings against sky
High angle view of cityscape
The agricultural waste burning cause of smog and pollution
Scenic view of lake against sky
Scenic view of landscape against clear blue sky
Silhouette buildings against sky during sunset
Tree on field against sky
Firework display over city at night
High angle view of illuminated buildings in city at night
Smoke emitting from chimney on field against sky
High angle view of cityscape against sky
Scenic view of field against sky
Smoke emitting from chimney against sky
Full length of woman standing amidst trees in forest
Full length of man walking in forest
Scenic view of landscape and mountains against sky
Low angle view of ski lift against sky
High angle view of buildings in city against clear sky
High angle view of illuminated cityscape against sky at night
Low angle view of building against sky
Panoramic view of buildings in city during sunset
Trees and buildings in city against sky
Scenic view of sea against sky during sunset
High angle view of townscape against sky
High angle view of illuminated cityscape against sky at night
Low angle view of electricity pylon against sky during sunset
Close-up of smoke stack against blue sky
Low angle view of kite against clear sky
Scenic view of mountains against sky
High angle view of cityscape against sky during sunset
Scenic view of land against sky
High angle view of townscape against sky during sunset
Smoke emitting from chimney against sky
Smoke stacks against sky
Light trails on street at night
Low angle view of smoke emitting from chimney against sky
Trees in forest
Man standing by wall against building
High angle view of townscape against sky
Low angle view of bird perching on roof against clear sky
Illuminated factory against sky at night
Bare trees on landscape against sky
High angle view of buildings in city against sky
High angle view of illuminated cityscape against sky
Surface level of rocks on beach against clear sky
High angle view of illuminated cityscape against clear sky
High angle view of illuminated cityscape against sky at night
High angle view of illuminated buildings in city at night
Portrait of woman wearing mask against white background
Low angle view of trees against sky
High angle view of illuminated cityscape against sky at night
High angle view of city buildings against cloudy sky
Illuminated cityscape against sky at night
Road amidst trees against clear sky
High angle view of townscape against sky
Vintage latex gas mask in use since the second world war.
High angle view of railroad tracks by buildings against sky
Scenic view of lake against sky
Smoke emitting from volcanic mountain
Smoke emitting from chimney against sky during winter
Panoramic view of trees and plants in forest
Smoke emitting from chimney against sky
Vintage latex gas mask in use since the second world war.
Bare trees in forest during foggy weather
High angle view of townscape against sky
Panoramic view of buildings against sky during sunset
Scenic view of land against sky
Close-up of jellyfish against blue background
Man on landscape in foggy weather
High angle view of fishing rods by lake
High angle view of townscape against sky during sunset
Road amidst trees against sky during rainy season
Swans swimming in lake during foggy weather
View of factory against sky
Buildings in city against sky
Scenic view of lake against sky
Smoke emitting from chimney against blue sky
High angle view of illuminated cityscape against sky
High angle view of city by river against sky
Scenic view of lake against sky
Silhouette trees on field against sky during sunset
High angle view of illuminated cityscape against sky at night
High angle view of townscape against sky during sunset
Low angle view of building against sky
High angle view of cityscape against clear blue sky
Empty park bench during foggy weather
High angle view of cityscape against sky
The agricultural waste burning cause of smog and pollution
Smoke emitting from factory against sky
High angle view of illuminated city at night
Low angle view of lighthouse against clear blue sky
Scenic view of rocky mountains against sky
Trees in forest against sky
High angle view of townscape against sky
High angle view of townscape against sky
Illuminated street lights on road against sky at night
Low angle view of lighthouse against sky