A sign saying 'TRAINS' with an arrow pointing to the right down a tunnel in the Underground at Holland Park station on the Central Line in west London
A sign saying 'TRAINS' with an arrow pointing to the right down a tunnel in the Underground at Holland Park station on the Central Line in west London. The walls are curved from the formation of the tunnel and are painted black at the bottom, then grey, and white above. A convex mirror allows people to see round the corner of the curving tunnel. Anna Watson/Alamy
Size: 5616px × 3744px
Photo credit: © Anna Watson / Alamy / Afripics
License: Licensed
Model Released: No
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