Discovered by chance by municipal employees working at rue de l'Athénée, the brick tunnel belonged to “a unique underground defence system”, which dotted Geneva from 1718 to 1730, according to the press release issued by the city this week.
Photo: Matthieu de la Corbière
At the time, Geneva had nearly eight kilometres of underground fortifications. They were so secure that in the event of an attack by enemies, “the garrison could circulate safely under the city”.
Photo: Matthieu de la Corbière
Many of these fortifications were demolished in the 19th century, as widespread urban expansion of Geneva was under way.
Photo: Matthieu de la Corbière
The city wants to build public access to the tunnel, officials said.
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