Ключевые слова: abandoned, alps, alte, cart, cavern, coal, cogne, dark, dig, dirty, energy, engineering, gold, historical, history, industrial, industry, iron, machine, machinery, metal, mine, miner, mineral, miners, museum, mystery, rail, railroad, railway, rock, rusty, silver, steel, technology, tourism, train, transport, transportation, tunnel, tunneling, underground, vacations, valle daosta, vintage, visit, wagon, weathered, wheel, wheels,