Tag 'name:en = Prussian semaphore system Station 4'

• 1: image
• 1: historic
• 1: name
• 1: name:en
• 1: optical_telegraph
• 1: subject:wikipedia
• 1: wikidata
• 1: wikimedia_commons
• 1: network

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Quelle / Ursprung dieser Information: OpenStreetmap