An emergency stop button for an escalator on the London Underground.

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Size: 5202px × 3464px
Location: Westminster, London
Photo credit: © Dylan Stephens / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: ad, advert, advertising, adverts, boards, button, capital, city, danger, display, displays, emergency, escalator, escalators, express, global, london, metal, metro, network, public, rail, railway, station, stop, subway, system, tfl, transport, transportation, tube, underground, urban