Romania No Pants Subway Ride(01 of13)
Open Image ModalWomen jump for a photograph as they take part in the first edition of the No Pants Subway Ride in Bucharest, Romania, Sunday, Jan. 11, 2015. The No Pants Subway Ride began in 2002 in New York as a stunt and has taken place in cities around the world since then. Organizers call it âan international celebration of sillinessâ and are organizing it in dozens of cities on Sunday. (AP Photo/Vadim Ghirda) (credit:ASSOCIATED PRESS)
Poland No Pants Subway Ride(02 of13)
Open Image ModalTwo girls react as people in underpants taking part in the \'No Pants Subway Ride\" event stand next to them in an underground train car in Warsaw, Poland, Sunday, Jan. 10, 2016. The \"No Pants Subway Ride\" began in 2002 in New York as a stunt and has taken place in cities around the world since then. (AP Photo/Alik Keplicz) (credit:ASSOCIATED PRESS)
No Pants Subway Ride(03 of13)
Open Image ModalTwo men clad in colorful underwear walk up the subway steps during the 15th annual No Pants Subway Ride Sunday, Jan. 10, 2016, in New York. The group event, a prank meant to amuse, has been going on since 2002. (AP Photo/Kathy Willens) (credit:ASSOCIATED PRESS)
Czech Republic No Pants Subway Ride(04 of13)
Open Image ModalTwo girls prepare to take part in the No Pants Subway Ride in Prague, Czech Republic, Sunday, Jan. 10, 2016. The No Pants Subway Ride began in 2002 in New York as a stunt and has taken place in cities around the world since then. (AP Photo/Petr David Josek) (credit:ASSOCIATED PRESS)
Romania No Pants Subway Ride(05 of13)
Open Image ModalYoungsters ride on a train as they take part in the first edition of the No Pants Subway Ride in Bucharest, Romania, Sunday, Jan. 11, 2015. The No Pants Subway Ride began in 2002 in New York as a stunt and has taken place in cities around the world since then. Organizers call it âan international celebration of sillinessâ and are organizing it in dozens of cities on Sunday. (AP Photo/Vadim Ghirda) (credit:ASSOCIATED PRESS)
Romania No Pants Subway Ride(06 of13)
Open Image ModalYoungsters ride on a train as they take part in the first edition of the No Pants Subway Ride in Bucharest, Romania, Sunday, Jan. 11, 2015. The No Pants Subway Ride began in 2002 in New York as a stunt and has taken place in cities around the world since then. Organizers call it âan international celebration of sillinessâ and are organizing it in dozens of cities on Sunday. (AP Photo/Vadim Ghirda) (credit:ASSOCIATED PRESS)
No Pants Subway Ride NYC(07 of13)
Open Image ModalA pantless woman laughs as she walks into the Union Square subway station during the annual No Pants Subway Ride, Sunday, Jan. 11, 2015, in New York. The No Pants Subway Ride began in 2002 in New York as a public prank and has since been celebrated by commuters around the world. (AP Photo/Kathy Willens) (credit:ASSOCIATED PRESS)
No Pants Subway Ride NYC(08 of13)
Open Image ModalPeople don matching underwear during the annual No Pants Subway Ride, Sunday, Jan. 11, 2015, in New York. The No Pants Subway Ride began in 2002 in New York as a public prank and has since been celebrated by commuters around the world. (AP Photo/Kathy Willens) (credit:ASSOCIATED PRESS)
No Pants Subway Ride New York(09 of13)
Open Image ModalA man in boxer shorts and a woman wearing hosiery with a garter belt wait for a train at a Manhattan train station during the 15th annual No Pants Subway Ride Sunday, Jan. 10, 2016, in New York. The group event, meant as a prank to amuse unsuspecting subway riders, has been going on since 2002. (AP Photo/Kathy Willens) (credit:ASSOCIATED PRESS)
Romania No Pants Subway Ride(10 of13)
Open Image ModalYoungsters share a laugh as they take part in the No Pants Subway Ride in Bucharest, Romania, Sunday, Jan. 10, 2016. The No Pants Subway Ride began as a stunt in 2002 in New York and has taken place in cities around the world since then. Organizers call it âan international celebration of sillinessâ and are organizing it in dozens of cities on Sunday. (Andreea Alexandru/Mediafax via AP) ROMANIA OUT (credit:ASSOCIATED PRESS)
Romania No Pants Subway Ride(11 of13)
Open Image ModalA man reads a newspaper as he takes part in the first edition of the No Pants Subway Ride in Bucharest, Romania, Sunday, Jan. 11, 2015. The No Pants Subway Ride began in 2002 in New York as a stunt and has taken place in cities around the world since then. Organizers call it âan international celebration of sillinessâ and are organizing it in dozens of cities on Sunday. (AP Photo/Vadim Ghirda) (credit:ASSOCIATED PRESS)
No Pants Subway Ride NYC(12 of13)
Open Image ModalBottomless commuters wait for a subway train after shedding their garments during the annual No Pants Subway Ride, Sunday, Jan. 11, 2015, in New York. The annual event began in 2002 in New York as a public prank and has since been celebrated by commuters around the world. (AP Photo/Kathy Willens) (credit:ASSOCIATED PRESS)
No Pants Subway Ride New York(13 of13)
Open Image ModalA woman walks past several men clad in their underwear at the 59th Street station in Manhattan during the 15th annual No Pants Subway Ride Sunday, Jan. 10, 2016, in New York. The group event, a prank meant to amuse unsuspecting subway riders, has been going on since 2002. (AP Photo/Kathy Willens) (credit:ASSOCIATED PRESS)