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OKAYAMA, JAPAN - FEBRUARY 15: Men help each other dress in loincloths to participate in the Hadaka Matsuri, or Naked Festival at Saidaiji Temple on February 15, 2014 in Okayama, Japan. In this one of the most vibrant festivals in Japan, some 9,000 men battle to grab a pair of lucky sticks thrown by priests. (Photo by Trevor Williams/Getty Images)

OKAYAMA, JAPAN - FEBRUARY 15:  Men help each other dress in loincloths to participate in the Hadaka Matsuri, or Naked Festival at Saidaiji Temple on February 15, 2014 in Okayama, Japan. In this one of the most vibrant festivals in Japan, some 9,000 men battle to grab a pair of lucky sticks thrown by priests.  (Photo by Trevor Williams/Getty Images)