Britain’s Prince William, Duke of Cambridge, listens as Tokyo Governor Yoichi Masuzoe speaks on the deck of a cruise boat during a tour of the Tokyo Bay area in Tokyo

Britain’s Prince William, Duke of Cambridge, listens as Tokyo Governor Yoichi Masuzoe speaks on the deck of a cruise boat during a tour of the Tokyo Bay area in Tokyo

Britain’s Prince William (2nd R), Duke of Cambridge, listens as Tokyo Governor Yoichi Masuzoe (2nd L) speaks on the deck of a cruise boat during a tour of the Tokyo Bay area in Tokyo February 26, 2015. Prince William flew into Japan on Thursday for a four-day visit. REUTERS/Thomas Peter (JAPAN – Tags: ROYALS POLITICS ENTERTAINMENT)