![Webster Street Tube](https://c1.vgtstatic.com/thumb/1/3/134520-v1/webster-street-tube.jpg)
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![Södra länken](https://c1.vgtstatic.com/thumb/1/3/134433-v1/s-dra-l-nken.jpg)
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![Clay, Henry and Bock and Company Cigar Factory](https://c2.vgtstatic.com/thumbll/1/3/135965-v1/clay-henry-and-bock-and-company-cigar-factory.jpg)
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![Roertunnel](https://c1.vgtstatic.com/thumb/1/3/134418-v1/roertunnel.jpg)
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![PA State Correctional Institution – Retreat](https://c2.vgtstatic.com/thumbll/1/3/135552-v1/pa-state-correctional-institution-retreat.jpg)
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![Anderson-Capner House](https://c2.vgtstatic.com/thumbll/1/3/135958-v1/anderson-capner-house.jpg)
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![Corliss Tunnel](https://c1.vgtstatic.com/thumb/1/3/134505-v1/corliss-tunnel.jpg)
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![PBI Regional Medical Center](https://c2.vgtstatic.com/thumbll/1/3/135703-v1/pbi-regional-medical-center.jpg)
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![Hampton Roads Bridge Tunnel](https://c1.vgtstatic.com/thumb/1/3/134214-v1/hampton-roads-bridge-tunnel-1.jpg)
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![Cassiar Tunnel](https://c1.vgtstatic.com/thumb/1/3/134353-v1/cassiar-tunnel-1.jpg)
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![PA State Correctional Institution – Smithfield](https://c2.vgtstatic.com/thumbll/1/3/135553-v1/pa-state-correctional-institution-smithfield.jpg)
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![Norra länken](https://c1.vgtstatic.com/thumb/1/3/134437-v1/norra-l-nken.jpg)
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![Fontana di Piazza Colonna](https://c1.vgtstatic.com/thumb/1/3/136274-v1/fontana-di-piazza-colonna.jpg)
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![Lawrenceville School](https://c2.vgtstatic.com/thumbll/1/3/135973-v1/lawrenceville-school.jpg)
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![Morgan Fountain](https://c1.vgtstatic.com/thumb/1/3/136437-v1/morgan-fountain-1.jpg)
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![Heroes Tunnel (formerly West Rock Tunnel)](https://c1.vgtstatic.com/thumb/1/3/134529-v1/heroes-tunnel-formerly-west-rock-tunnel.jpg)
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![Sydney Harbour Tunnel](https://c1.vgtstatic.com/thumb/1/3/134390-v1/sydney-harbour-tunnel.jpg)
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![Dillon Memorial](https://c1.vgtstatic.com/thumb/1/3/136182-v1/dillon-memorial.jpg)
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![Bagley Memorial Fountain](https://c1.vgtstatic.com/thumb/1/3/136175-v1/bagley-memorial-fountain.jpg)
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![Harvard Circle Fountain](https://c1.vgtstatic.com/thumb/1/3/136280-v1/harvard-circle-fountain.jpg)
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![Midtown Tunnel](https://c1.vgtstatic.com/thumb/1/3/134217-v1/midtown-tunnel-1.jpg)
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![Brynglas Tunnels](https://c1.vgtstatic.com/thumb/1/3/134540-v1/brynglas-tunnels.jpg)
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![PA State Correctional Institution – Albion](https://c2.vgtstatic.com/thumbll/1/3/135521-v1/pa-state-correctional-institution-albion.jpg)
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![Cumberland Gap Tunnel](https://c1.vgtstatic.com/thumb/1/3/134314-v1/cumberland-gap-tunnel.jpg)
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![Stockton Street Tunnel](https://c1.vgtstatic.com/thumb/1/3/134519-v1/stockton-street-tunnel-1.jpg)
© Google Maps