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[Tokyo, September 15. Image via Getty]

TOKYO - SEPTEMBER 15: Children treat a mock patient as they play the roles of dentists during their work experience activities at KidZania on September 15, 2009 in Tokyo, Japan. KidZania offer children more than 50 career experiences with parents not allowed to help their children during 30 minutes long activities. Kidzania have been fully booked every day since its opening in 2006. (Photo by Kiyoshi Ota/Getty Images)