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