Sasebo, Nagasaki Pref., Sept. 14 (Jiji Press)--Japanese Emperor Naruhito and Empress Masako attended the opening ceremony of national cultural festivals in Sasebo, Nagasaki Prefecture, southwestern Japan, on Sunday. In his address at the ceremony to mark the opening of the 40th National Cultural Festival and the 25th National Arts and Culture Festival for Persons with Disabilities, the Empe...