Japanese Prime Minister Shinzo Abe (C) poses for photographers with guests during a garden party to enjoy cherry blossoms hosted by the premier in Tokyo on April 9, 2016. \nSome 16,000 invited people from various fields gathered the annual spring party. / AFP PHOTO / TORU YAMANAKA (credit:AFP)
Japan Abe Cherry Blossom(02 of07)
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Japanese Prime Minister Shinzo Abe, center with a pink tie, chats with Japanese artists, entertainers, athletes and other guests during a cherry blossom viewing party hosted by Abe at Shinjuku Gyoen National Garden in Tokyo, Saturday, April 9, 2016. (AP Photo/Eugene Hoshiko) (credit:ASSOCIATED PRESS)
Japanese Prime Minister Shinzo Abe (C) poses for photographers with members of Japanese idol group Momoiro Clover Z and child actors during a garden party to enjoy cherry blossoms hosted by the premier in Tokyo on April 9, 2016. \nSome 16,000 invited people from various fields gathered the annual spring party. / AFP PHOTO / TORU YAMANAKA
Japan Abe Cherry Blossom(05 of07)
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Japanese Prime Minister Shinzo Abe, center, poses with members of Japanese girl pop group NGT48 during a cherry blossom viewing party hosted by Abe at Shinjuku Gyoen National Garden in Tokyo, Saturday, April 9, 2016. (AP Photo/Eugene Hoshiko) (credit:ASSOCIATED PRESS)
Japan Abe Cherry Blossom(06 of07)
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Japanese Prime Minister Shinzo Abe, fourth right, chats with Japanese musician DAIGO, third right, as he stands with artists, entertainers, athletes and other guests during a cherry blossom viewing party hosted by Abe at Shinjuku Gyoen National Garden in Tokyo, Saturday, April 9, 2016. (AP Photo/Eugene Hoshiko) (credit:ASSOCIATED PRESS)
Japan Abe Cherry Blossom(07 of07)
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Japanese Prime Minister Shinzo Abe, center left with a pink tie, and his wife Akie, center right in a light blue suit, pose for a group photo with Japanese artists, entertainers, athletes and other guests during a cherry blossom viewing party hosted by Abe at Tokyo\'s Shinjuku Gyoen National Garden in Tokyo, Saturday, April 9, 2016. (AP Photo/Eugene Hoshiko) (credit:ASSOCIATED PRESS)