Japan's Crown Prince Naruhito(L) and his wife Princess Masako(R) welcomes Denmark's Crown Prince Frederik Andre Henrik Christian(2nd from R) and his wife Princess Mary Elizabeth (2nd from L) at a hotel in Tokyo on Oct. 8, 2017. Denmark's Royal couple is making an official visit to Japan to makes an official visit to Japan to mark 150 anniversary of the establishment of diplomatic relations between Japan and Denmark. This is Prince's sixth visit to Japan and will stay until 13th. ( The Yomiuri Shimbun via AP Images )