clubs of harmful smoke rise from the chimneys. the smoke rises high. smokestacks stand next to the forest.

air asphyxiating atmosphere away bad caustic chemistry chimney chimneys chimneystack chimneystalk clubs combustion damage disturb ecology ecosystem emission factory forest frost funnel gray harm harmful health high nature next panorama pillar pipe plant poisonous pollution problem production puffs rise rises rising river smell smelling smells smoke smokestack smokestacks snow spoil stack stackfurnace stand steam thick threat throw vertical violation white winter