tunnel in underground mine

---

tunnel in old underground mine

---

Size: 4786px × 3456px
Location: Slovakia
Photo credit: © marcos alvarado / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: cellar, coal, construction, copper, corridor, dark, dig, gas, geology, gold, industrial, industry, interior, medieval, mineral, mining, natural, path, pipe, railroad, railway, resources, rock, tunnel, tunneling, underground