thermoelectric power station with smoke pipe on the background of blue sky.

air badair behindthefence bleak blue bluesky bluish building chemical chimney chp cirrusclouds city climate closeup cloud cloudy co2 construction current depressing ecology energy environment functioning globalwarming harmfulsubstances heating heaven hulks industrialization industrialzone industry nature pollution prevails protectedobject restrictedarea sad smoke smokestack smokingpipe steam stpetersburg talllandmark thermoelectricpowerstation toxicemission urbanistic winter working