Underground gold mine tunnel with wooden timbering
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,
platinum,
bauxite,
rock,
ancient,
hole,
history
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