View into a porphyry mine quarry. mining industry. production.

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Photo credit: © lcrms / Alamy / Afripics
License: Royalty Free
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Keywords: cement, construction, crusher, day, engineering, environment, equipment, geology, germany, heavy, industrial, industry, landscape, limestone, machine, marble, mineral, mining, nature, open, ore, outdoor, pit, porphyry, quarries, quarry, road, rock, rocks, sand, source, stone, stonecrusher, stones, street, summer, technology