Aerial view of polluted city covered with smog
Palabras clave
smog,
pollution,
fossil,
fuel,
burning,
coal,
aerial,
city,
building,
smoke,
atmosphere,
chemical,
winter,
steam,
dirty,
ecology,
emission,
energy,
greenhouse,
contamination,
industry,
climate,
environmental,
fog,
heat,
vapour,
day,
snow,
sun,
pipe
