People wait for the subway train in Mexico City during the worldwide ‘No Pants Subway Ride’ event, on January 8, 2012. The ‘No Pants Subway Ride’, though in its 11th year, still surprises fellow passengers on public transit, and is spreading to other cities across the globe. AFP PHOTO/RONALDO SCHEMIDT (Photo credit should read Ronaldo Schemidt/AFP/Getty Images)