Bernina Express passes over the helical (spiral) viaduct of Brusio, UNESCO World Heritage Site, Valposchiavo, Canton of Graubunden, Switzerland, Europe

horizontal color image travel destinations travel outdoors day poschiavo canton of grisons switzerland europe overcast building architecture val poschiavo valley bernina express train transportation public transportation red viaduct mountain snow winter tree no people scenics unesco world heritage site unesco travel destination tourist destination tourist destinations architectural buildings daytime mountains outdoor outside valleys