Britain's Prince Charles (3rd-R) and his wife Camilla (C), Duchess of Cornwall, pose in front of the Martin Luther King Memorial on March 18, 2015 in Washington, DC. PrinThe royal couple are on a four-day visit to the US that includes a meeting with US President Barack Obama and a stop in Kentucky. AFP PHOTO/MANDEL NGAN (Photo credit should read MANDEL NGAN/AFP/Getty Images)
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AFP MANDEL NGAN