guacamole

@guac · a year ago

A railway tunnel and forms the summit of the Gotthard Railway in Switzerland. It connects Göschenen with Airolo and was the first tunnel through the Saint-Gotthard Massif in order to bypass the St Gotthard Pass. It is built as one double-track, standard gauge tunnel. https://en.wikipedia.org/wiki/Gotthard_Tunnel

https://en.wikipedia.org/wiki/Gotthard_Tunnel
Gotthard Tunnel

wikipedia.org