May 6, 2017, Yokohama, Japan -  Japanese Crown Prince delivers an opening oath at the opening ceremony of the Asian Development Bank (ADB) annual meeting in Yokohama, suburban Tokyo on Saturday, May 6, 2017. ADB has a four-day session for its annual meeting to celebrate the 50th anniversary of the ADB.   (Photo by Yoshio Tsunoda/AFLO) LwX -ytd-