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A bowl of bibimbap, a Korean rice dish, is served in a restaurant at the Korean High School in Tokyo, Japan, on Thursday, Sept. 25, 2014. The school in Tokyos Kita ward looks much like any such Japanese institution with a large clock sitting atop of gray buildings. Inside, all notices are written in Korean and female students and teachers wear the traditional chima jeogori, a full skirt and short jacket. Photographer: Tomohiro Ohsumi/Bloomberg via Getty Images

A bowl of bibimbap, a Korean rice dish, is served in a restaurant at the Korean High School in Tokyo, Japan, on Thursday, Sept. 25, 2014. The school in Tokyos Kita ward looks much like any such Japanese institution with a large clock sitting atop of gray buildings. Inside, all notices are written in Korean and female students and teachers wear the traditional chima jeogori, a full skirt and short jacket. Photographer: Tomohiro Ohsumi/Bloomberg via Getty Images