Underground gold mine shaft tunnel drift with rails and light
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
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