Britain's Prince Charles Tours the MLK Memorial in Washington, DC

Camilla (C), Duchess of Cornwall, wife of Britain's Prince Charles, chats with Rep Terri Sewell (L), D-AL, and Rep John Lewis, D-GA, during a visit to the Martin Luther King Memorial Jr. Memorial on March 18, 2015 in Washington, DC. Prince Charles (C) and his wife Camilla, Duchess of Cornwall, are on a four-day trip to the United States. Pool Photo by Mandel Ngan/UPI