Thick clouds of smoke swirling in the sky.
Palabras clave
steam,
sky,
pollution,
fume,
environment,
smog,
industry,
chemical,
factory,
gas,
energy,
technology,
chemistry,
flowing,
fog,
global,
wind,
motion,
air,
air pollution,
nature,
climate change,
destruction,
dust,
environmental,
manufacturing,
toxic,
danger
