chimney.

air architecture azure background bionomics blind blue burn burning chimney chimneys clear clouds combustion cull cylinder dangerously dross ecologic ecological ecology environment filthy foul fume fumes harmful harmfully hazardous hazmat heightened heightening heights high hot hurtful impure incineration incinerator industries leaving milieu milieux perilously plant reckless roll roller sky smog smoke smokescreen smokestack smokiness smoking stack station strips tall waste white