Underground abandoned gold iron ore mine shaft tunnel gallery passage wtih wooden timbering
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,
underground
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