Photo credits

Photos from Wikimedia Commons, used under the licences shown. Thanks to their authors.

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  The White Tower, the pale stone Norman keep of the Tower of London, rising above the surrounding walls

  Bernard Gagnon · CC BY-SA 3.0 · colours and contrast edited

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  The Tower of London seen from the River Thames, with the riverside walls and towers in front of the White Tower

  Bob Collowan · CC BY-SA 3.0 · colours and contrast edited

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  The Middle Tower, the stone gatehouse at the western entrance of the Tower of London, seen across the moat railings

  Ethan Doyle White · CC BY-SA 4.0 · colours and contrast edited

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  Traitors' Gate, the water gate on the Thames side of the Tower of London, with its stone arch and walls

  Jonathan Cardy · CC BY-SA 3.0 · colours and contrast edited

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  The southern face of the Bloody Tower, with the arched gateway through the inner wall of the Tower of London

  Ethan Doyle White · CC BY-SA 4.0 · colours and contrast edited

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  Tower Green inside the Tower of London, with its lawn, tall plane trees and half-timbered Tudor houses

  Richard Nevell · CC BY-SA 3.0 · colours and contrast edited

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  A raven with spread wings perched on a railing inside the Tower of London, with stone buildings behind it

  Mwray11 · CC BY-SA 4.0 · colours and contrast edited

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  Three Yeoman Warders in their dark blue and red state dress standing in a sunlit courtyard of the Tower of London

  Michel wal · CC BY-SA 3.0 · colours and contrast edited

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  The east face of the Beauchamp Tower, a round-towered stone building on the inner wall of the Tower of London

  Ethan Doyle White · CC BY-SA 4.0 · colours and contrast edited

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  The Tower of London seen from above, with the White Tower at the centre of its concentric walls beside the Thames

  Rafa Esteve · CC BY-SA 3.0 · colours and contrast edited

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  Tower Bridge seen from Tower Wharf on the Thames, with its two Gothic towers and blue suspension chains

  The wub · CC BY-SA 4.0 · colours and contrast edited

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  Tower Bridge at dusk with its lights on, reflected in the Thames under a deep blue sky

  Diliff · CC BY-SA 3.0 · colours and contrast edited

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  Tower Bridge with its two bascules raised, seen from below against a blue sky with a flag flying above

  Colin Smith · CC BY-SA 2.0 · colours and contrast edited

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  The high-level walkways of Tower Bridge between the two towers, seen from the road below

  Robert Lamb · CC BY-SA 2.0 · colours and contrast edited