Tunnel Base Gotthard

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Tunnel Base Gotthard
instantia de: railway tunnel[*]
20141120 gotthard-basistunnel02-wikipedia-hannes-ortlieb.jpg


sito web official: https://www.alptransit-portal.ch/de/startseite/
Commons: Gotthard Base Tunnel

Tunnel Base Gotthard (Gotthard-Basistunnel GBT) esse un tunnel in Switza.