TOKYO, JAPAN - MAY 04: People wave Japanese flags as Emperor Naruhito of Japan waves to members of the public as his wife, Empress Masako, and other members of the Japanese royal family stand beside him on the balcony of the Imperial Palace on May 4, 2019 in Tokyo, Japan. Emperor Naruhito has made his first official public appearance following his ascension to the Chrysanthemum Throne last week af