[CH] Hidden Corridors (Zürich)

The city preserved some "heritage" from the past, so I visited some hidden corridors in Zürich. I had to pick up the keys at the Town Hall (free of charge), they gave me a map and I visited 4 places. (One had opening hours.)
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www.stadt-zuer...
www.atlasobscu...
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Date: 28 August, 2024
Location: Zürich, Switzerland
Music: AI generated music
pixabay.com/us...