Drilling machine Sandvik in underground gold mine tunnel
Palabras clave
gold,
mine,
mining,
shaft,
underground,
ore,
dark,
industry,
technology,
rail,
drift,
tunnel,
passage,
rock,
stone,
abandoned,
cave,
cavern,
deposit,
gallery,
geology,
heavy,
iron,
mineral,
quarry,
timber,
timbering,
wagon,
wood,
miner,
industrial,
dirt,
miner,
copper
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