a coal storage yard in Ningbo City, China
Palabras clave
coal,
machinery,
mine,
aerial view,
mineral,
coal cellar,
dirt,
industry,
construction industry,
transportation,
material,
air pollution,
conveyer belt,
economy,
plant,
shipping,
stack,
color image,
construction machinery,
efficiency,
energy crisis,
engineering,
environment,
factory,
fossil fuel,
geology,
harbor,
lignite,
no people,
quarry,
social issue,
stacking
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