old railway semaphore against blue sky green signal
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Stockphotos.ro (c) 2025. All stock photos are provided by Dreamstime and are copyrighted by their respective owners.
old railway semaphore against blue sky green signal |
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| navigate by keyword : sign symbol semaphore old technology sky transportation day blue outdoors vertical tower germany metal safety security signal steel halt industry vintage railway stoplight europe travel arm front heritage historical infrastructure mechanical post warning mobile obsolete pole station stop sunlight communication crane road construction equipment traffic light ancient |
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| Old railway semaphore against blue sky. Green signal. Close-up |
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Stockphotos.ro (c) 2025. All stock photos are provided by Dreamstime and are copyrighted by their respective owners. |
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