OSAKA, JAPAN - APRIL 24: Commuters head to a train station on April 24, 2012 in Osaka, Japan. Osaka's ratio between daytime and night time population is 141%, highest difference in Japan.
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OSAKA, JAPAN - APRIL 24: Commuters head to a train station on April 24, 2012 in Osaka, Japan. Osaka's ratio between daytime and night time population is 141%, highest difference in Japan.