black smoke from industrial chimneys bad ecology.

smog thailand industrial chimneys ecology travel tak atmosphere aerate broadcast radio television station aether zodiac sky background original roots forefoot scenes bad work evil nation low substandard shameful disgraceful bully difficult malignant unacceptable acceptable infernal crappy ugly unhappy poor quality dark black people blacken unlit navy blue turn chemistry smokestack chimney weather climate smoke causing trouble cloud cloudiness darken covered clouds fluffy cloudy aerosols gathered together amput contamination pollution damage injure harm break cause ecology