Light beams and red poppies: London's WWI commemorations
Prince William, the Duchess of Cambridge, née Kate Middleton, and Prince Harry were in Belgium on Monday to commemorate WWI. Back in Britain, services were held across the country to remember the fallen in the Great War, and striking installations put in place in the capital to mark 100 years to the day since it began.

Scroll down to see striking photographs of the single light beam that penetrated the dark London sky as part of the national Lights Out campaign and artist Paul Cummins' installation of 888,246 ceramic poppies filling the dry moat of the Tower of London, which the British royals personally added to on Tuesday...

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