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Woodley Park-Zoo station entrance pylon
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National Zoo entrance sign
![National Zoo entrance sign](../../../i/upload/2024/07/14/20240714235130-d1e85a09-cu_s9999x250.jpg "National Zoo entrance sign (1649 visits) Concrete aggregate "ZOO" sign at the entrance to the Smithsonian National Zoo on Connectic...")
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Chicago-approved exit sign [01]
![Chicago-approved exit sign [01]](../../../i/upload/2024/07/16/20240716011139-535f390b-cu_s9999x250.jpg "Chicago-approved exit sign [01] (3588 visits) Exit sign at the Lincoln Park Zoo. Chicago code requires that exit signs be made of steel, and that...")
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Chicago-approved exit sign [02]
![Chicago-approved exit sign [02]](../../../i/upload/2024/07/17/20240717102523-bdbb68e7-cu_s9999x250.jpg "Chicago-approved exit sign [02] (7145 visits) Exit sign in the sea lion exhibit in the Lincoln Park Zoo. Chicago code requires that exit signs be...")