A Dawn Service Commemorating ANZAC Day Takes Place At London's Australian War Memorial [Getty Images]

LONDON, ENGLAND - APRIL 25: Prince Andrew, Duke of York (left) during an Anzac Day dawn service at the Australian War Memorial at Hyde Park Corner on April 25, 2017 in London, England. The annual event marks the anniversary of Australia and New Zealand first seeing military action during the First World War. (Photo by Dominic Lipinski - WPA Pool /Getty Images)

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