Manhole cover in Mannheim

Manhole cover in Mannheim, Germany

Clever! On this manhole cover, an International Museum of Buttons (Knopf & Knopf Museum) is being advertised. This is located together with a brasserie and a hotel in a former railway station building in Warthausen. The building is located directly on the Öchsle Railway, a heritage railway from Warthausen to Ochsenhausen. [German]

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