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In a city filled with thousands of dreamy passageways and the secret underground escape routes of a monarch or two, London's got it pretty good when it comes to the #tunnelporn front. From ancient sewers to the tube, here are 17 photos that prove London has the most photogenic tunnels in the world.
1. Waterloo tube station
2. Aldwych tube station
3. Bromley-by-Bow tube station
4. Clink Street tunnel
5. The graffiti tunnel (Waterloo)
6. The Islington tunnel
7. Crossrail
8. The Doodle Man tunnel, Shoreditch
9. Blackfriars Bridge
10. South Kensington subway
11. Poplar DLR station
12. London Heathrow Terminal 5 tube station
13. Greenwich Foot Tunnel
14. Embankment station
15. The Brunel tunnel
16. London sewer
17. King's Cross station
Have you spotted any more stunning tunnels? Let us know in the comments!
Or take a look inside Clapham South's secret wartime tunnels.