Heap of coal as background, top view
Schlüsselwörter
abstract,
background,
bituminous,
black,
balefire,
burning,
coal,
cost,
cube,
dark,
deposit,
dirty,
ecology,
effect,
energy,
environment,
exploitation,
extract,
extraction,
fire,
fossil,
fuel,
gas,
heap,
heat,
hot,
industrial,
industry,
lignite,
manufacturing,
material,
metallurgical,
mine,
miner,
mineral,
nature,
power,
power plant,
resource,
rock,
smoke,
stone,
stove,
texture,
textured,
tiled,
men at work
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