A big heap of coal on a sunny day with a blue sky
Palabras clave
coal,
carbon,
chimney,
electricity,
black,
emission,
energy,
dirty,
fossil,
environment,
heap,
industrial,
fuel,
industry,
environmental,
power,
natural,
generating,
greenhouse,
pile,
pollute,
pollution,
production,
resource,
tower,
toxic,
raw,
material,
mineral,
sky,
blue
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