Britain's Charles, Prince of Wales, delivers a speech during a commemoration ceremony at the Canadian National Vimy Memorial in Vimy, near Arras, northern France, on April 9, 2017, marking the 100th anniversary of the Battle of Vimy Ridge, a World War I battle which was a costly victory for Canada, but one that helped shape the former British colony's national identity. / AFP PHOTO / POOL / Philippe HUGUEN (Photo credit should read PHILIPPE HUGUEN/AFP/Getty Images)
