The Bernina railway, the only rail link between Italy and eastern Switzerland, is the highest-elevation adhesion railway route in Europe. Inaugurated in 1908, the spiral viaduct in Brusio was built in order to limit the railway's gradient to a maximum of 7%. It is a UNESCO World Heritage site since 2008.
Brusio Spiral Viaduct
Brusio Spiral Viaduct
Brusio Spiral Viaduct
Brusio Spiral Viaduct
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