In the 21st century, Canary Wharf looks completely different. Long gone are the factory chimneys, replaced by ultra-modern skyscrapers, tower blocks and cranes building yet more high-rises. While the Old Royal Naval College and Queen's House remain as they were, the old docks have been transformed into one of London's and world's most important financial districts. The development here is so rapid that 76 new skyscrapers were finished in central London in 2019 alone.

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Then and now: incredible photos of cities past and present