A passenger without his pants reads a book as he uses a subway train during the "No Pants Subway Ride" event in Sofia January 12, 2014. The event is an annual flash mob and occurs in different cities ... more 
A passenger without his pants reads a book as he uses a subway train during the "No Pants Subway Ride" event in Sofia January 12, 2014. The event is an annual flash mob and occurs in different cities around the world, according to its organisers. REUTERS/Stoyan Nenov (BULGARIA - Tags: SOCIETY ENTERTAINMENT) less 
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Reuters | Photo By STOYAN NENOV / REUTERS
Sun, Jan 12, 2014 10:20 AM EST