Underground gold iron ore mine shaft mining headframe
Palabras clave
mine,
shaft,
geology,
mining,
heavy,
deposit,
rock,
stone,
tunnel,
gallery,
passage,
ore,
abandoned,
dark,
gold,
iron,
mineral,
industry,
wood,
quarry,
timbering,
cavern,
cave,
timber,
wagon,
technology,
miner,
copper,
coal
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