(180520) -- WINDSOR, May 20, 2018 (Xinhua) -- The UK's Prince Harry (L) and Prince William arrive in Windsor Castle for the royal wedding of Prince Harry and his bride Meghan Markle in Windsor, Britain, on May 19, 2018. The UK's Prince Harry and American actress Meghan Markle has tied the knot Saturday at St. George's Chapel in Windsor. (Xinhua/Pool/Hugo Philpott/UPI)