راه آهن برنینا در سوییس : زیباترین راه آهن جهان

Shortly after the construction of the Gotthard tunnel, Switzerland pulled off another pioneering achievement: the construction of the Thusis - St. Moritz railway line between 1899 and 1903. This opened the Upper Engadine to tourists. The Rhaetian Railway still passes over the same bridges and through the same loop tunnels. A still greater challenge was the subsequent construction of the Bernina Railway. No other railway in the world overcomes such steep gradients and winds through such steep curves without

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