The construction of the Albula railway line started in 1898 and was completed in 1904.
It is an incredible masterpiece of engineering – and UNESCO world heritage. With its 144 bridges and 42 tunnels, the 62km long line from Thusis to St. Moritz is one of the most spectacular narrow-gauge railways in the world. The part from Bergün to Preda was especially challenging with many altitude meters to climb, which resulted in four viaducts, three spiral tunnels and two curved tunnels – a track like the thread of a screw.
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