vertical view of the entrance of a tunnel for a narrow gauge train in the mountains of the Swiss Alps

---

Size: 2668px × 4000px
Location: Versam
Photo credit: © makasana photo / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: alpine, alps, built, canyon, concrete, destination, engineering, flims, gallery, gauge, geology, gorge, grand, grisons, ilanz, laax, landmark, manmade, mountains, narrow, outdoors, railroad, railway, ravine, rhaetian, rhb, rhine, river, ruinaulta, safety, structure, swiss, switzerland, tourism, tourist, tracks, train, trin, tunnel, versam, vorderrhein