Construction of the second phase of the Gotthard tunnel begins in Switzerland – Baltics News
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Furka car train
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Car on Sanetsch Pass road with road tunnel, Canton of Valais, Switzerland, Stock Photo, Picture And Rights Managed Image. Pic. IBR-3752759 | agefotostock
Gotthard Base Tunnel - Wikipedia
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Lötschberg Tunnel - Wikipedia
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Swiss vote: the pros and cons of a new Alpine road tunnel