Castielertobel Viaduct - Credit: Wikimedia Commons
The Castielertobel ViaductThe viaduct is sometimes confusingly described as the Castielertobel Bridge - a confusing description because there is a nearby road bridge of that name. () is a single track railway bridge spanning the Castielertobelbach, and linking the municipalities of Castiel and Calfreisen, in the Canton of Graubünden, Switzerland. It was built between 1913 and 1914 for the Chur–Arosa railway, and is now owned and used by the Rhaetian Railway. Read more on Wikipedia
Source: en.wikipedia.org