(01 of37)
Open Image ModalMarianne Cornejo, far right, and Leah Estreicher, center right, both of New York, start to get dressed at the Union Square subway station after participating in the annual No Pants Subway Ride, Sunday, Jan. 12, 2014, in New York. The staged event, organized by the group Impro Everywhere, invited people onto the subways without pants to act out what might be a normal commute. (AP Photo/Craig Ruttle) (credit:AP)
(02 of37)
Open Image ModalA participant not wearing pants stands on a subway train while taking part in the annual No Pants Subway Ride, Sunday, Jan. 12, 2014, in New York.The staged event, organized by the group Impro Everywhere, invited people onto the subways without pants to act out what might be a normal commute. (AP Photo/Craig Ruttle) (credit:AP)
(03 of37)
Open Image ModalPeople not wearing pants stand aboard a departing subway train as they take part in the annual No Pants Subway Ride, Sunday, Jan. 12, 2014, in New York. The staged event, organized by the group Impro Everywhere, invited people onto the subways without pants to act out what might be a normal commute. (AP Photo/Craig Ruttle) (credit:AP)
(04 of37)
Open Image ModalPeople walk along a subway platform as they take part in the annual No Pants Subway Ride Sunday, Jan. 12, 2014, in New York. The staged event, organized by the group Impro Everywhere, invites people onto the subways without pants to act out what might be a normal commute. (AP Photo/Craig Ruttle) (credit:AP)
(05 of37)
Open Image ModalPeople not wearing pants walk up a stairwell at the 14th Street Union Square subway station as they take part in the annual No Pants Subway Ride, Sunday, Jan. 12, 2014, in New York. The staged event, organized by the group Impro Everywhere, invites people onto the subways without pants to act out what might be a normal commute. (AP Photo/Craig Ruttle) (credit:AP)
(06 of37)
Open Image ModalPassengers participate in the annual event, No Pants Subway Ride, in Mexico City, Sunday, Jan. 12, 2014. The global event inspired by the comedic performance New York art group Improv Everywhere, in 2002, involves metro riders boarding subway cars in the middle of winter without wearing pants while maintaining a straight face. (AP Photo/Marco Ugarte) (credit:AP)
(07 of37)
Open Image ModalThree men participating in the annual event, No Pants Subway Ride, enter a subway car in Mexico City, Sunday, Jan. 12, 2014. The global event inspired by the comedic performance New York art group Improv Everywhere in 2002, involves metro riders boarding subway cars in the middle of winter without wearing pants while maintaining a straight face. (AP Photo/Marco Ugarte) (credit:AP)
(08 of37)
Open Image ModalPassengers participate in the annual event, No Pants Subway Ride, in Mexico City, Sunday, Jan. 12, 2014. The global event inspired by the comedic performance New York art group Improv Everywhere in 2002, involves metro riders boarding subway cars in the middle of winter without wearing pants while maintaining a straight face. (AP Photo/Marco Ugarte) (credit:AP)
(09 of37)
Open Image ModalCommuters participate in the annual event, No Pants Subway Ride, in Mexico City, Sunday, Jan. 12, 2014. The global event inspired by the comedic performance New York art group Improv Everywhere in 2002, involves metro riders boarding subway cars in the middle of winter without wearing pants while maintaining a straight face. (AP Photo/Marco Ugarte) (credit:AP)
(10 of37)
Open Image ModalA woman participating in the annual event, No Pants Subway Ride, stands on the railway platform in Mexico City, Sunday, Jan. 12, 2014. The global event inspired by the comedic performance New York art group Improv Everywhere in 2002, involves metro riders boarding subway cars in the middle of winter without wearing pants while maintaining a straight face. (AP Photo/Marco Ugarte) (credit:AP)
(11 of37)
Open Image ModalPeople not wearing pants walk in the 14th Street Union Square subway station as they take part in the annual No Pants Subway Ride, Sunday, Jan. 12, 2014, in New York. The event, organized by the group Improv Everywhere, invites people onto the subways without pants to act out what might be a normal commute. (AP Photo/Craig Ruttle) (credit:AP)
(12 of37)
Open Image ModalPeople gather on a subway platform as they take part in the annual No Pants Subway Ride Sunday, Jan. 12, 2014, in New York. The staged event, organized by the group Improv Everywhere, sends people onto the subways without pants to act out what might be a normal commute. (AP Photo/Craig Ruttle) (credit:AP)
US-OFFBEAT-NO PANTS(13 of37)
Open Image ModalA woman rides a New York subway train in her underwear as she takes part in the 2014 No Pants Subway Ride on January 12, 2014. Started by Improv Everywhere, the goal is for riders to get on the subway train dressed in normal winter clothes without pants and keep a straight face. AFP PHOTO / TIMOTHY CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images) (credit:Getty Images)
US-OFFBEAT-NO PANTS(14 of37)
Open Image ModalA man rides a New York subway train in his underwear as he takes part in the 2014 No Pants Subway Ride on January 12, 2014. Started by Improv Everywhere, the goal is for riders to get on the subway train dressed in normal winter clothes without pants and keep a straight face. AFP PHOTO / TIMOTHY CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images) (credit:Getty Images)
US-OFFBEAT-NO PANTS(15 of37)
Open Image ModalA rider enters the New York subway in his underwear as he takes part in the 2014 No Pants Subway Ride on January 12, 2014. Started by Improv Everywhere, the goal is for riders to get on the subway train dressed in normal winter clothes without pants and keep a straight face. AFP PHOTO / TIMOTHY CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images) (credit:Getty Images)
US-OFFBEAT-NO PANTS(16 of37)
Open Image ModalA man waits for a train in the New York subway in his underwear as he takes part in the 2014 No Pants Subway Ride on January 12, 2014. Started by Improv Everywhere, the goal is for riders to get on the subway train dressed in normal winter clothes without pants and keep a straight face. AFP PHOTO / TIMOTHY CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images) (credit:Getty Images)
US-OFFBEAT-NO PANTS(17 of37)
Open Image ModalSome riders enter the New York subway in their underwear as they take part in the 2014 No Pants Subway Ride on January 12, 2014. Started by Improv Everywhere, the goal is for riders to get on the subway train dressed in normal winter clothes without pants and keep a straight face. AFP PHOTO / TIMOTHY CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images) (credit:Getty Images)
US-OFFBEAT-NO PANTS(18 of37)
Open Image ModalA man waits for a train in the New York subway in his underwear as he takes part in the 2014 No Pants Subway Ride on January 12, 2014. Started by Improv Everywhere, the goal is for riders to get on the subway train dressed in normal winter clothes without pants and keep a straight face. AFP PHOTO / TIMOTHY CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images) (credit:Getty Images)
US-OFFBEAT-NO PANTS(19 of37)
Open Image ModalA man rides a New York subway train in his underwear as he takes part in the 2014 No Pants Subway Ride on January 12, 2014. Started by Improv Everywhere, the goal is for riders to get on the subway train dressed in normal winter clothes without pants and keep a straight face. AFP PHOTO / TIMOTHY CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images) (credit:Getty Images)
US-OFFBEAT-NO PANTS(20 of37)
Open Image ModalSome riders enter the New York subway in their underwear as they take part in the 2014 No Pants Subway Ride on January 12, 2014. Started by Improv Everywhere, the goal is for riders to get on the subway train dressed in normal winter clothes without pants and keep a straight face. AFP PHOTO / TIMOTHY CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images) (credit:Getty Images)
US-OFFBEAT-NO PANTS(21 of37)
Open Image ModalTwo women ride a train in the New York subway in their underwear as they take part in the 2014 No Pants Subway Ride on January 12, 2014. Started by Improv Everywhere, the goal is for riders to get on the subway train dressed in normal winter clothes without pants and keep a straight face. AFP PHOTO / TIMOTHY CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images) (credit:Getty Images)
US-OFFBEAT-NO PANTS(22 of37)
Open Image ModalA rider waits for a train in the New York subway in her underwear as she takes part in the 2014 No Pants Subway Ride on January 12, 2014. Started by Improv Everywhere, the goal is for riders to get on the subway train dressed in normal winter clothes without pants and keep a straight face. AFP PHOTO / TIMOTHY CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images) (credit:Getty Images)
US-OFFBEAT-NO PANTS(23 of37)
Open Image ModalTwo women ride a train in the New York subway in their underwear as they take part in the 2014 No Pants Subway Ride on January 12, 2014. Started by Improv Everywhere, the goal is for riders to get on the subway train dressed in normal winter clothes without pants and keep a straight face. AFP PHOTO / TIMOTHY CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images) (credit:Getty Images)
US-OFFBEAT-NO PANTS(24 of37)
Open Image ModalRiders wait for a train in the New York subway in their underwear as they take part in the 2014 No Pants Subway Ride on January 12, 2014. Started by Improv Everywhere, the goal is for riders to get on the subway train dressed in normal winter clothes without pants and keep a straight face. AFP PHOTO / TIMOTHY CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images) (credit:Getty Images)
US-OFFBEAT-NO PANTS(25 of37)
Open Image ModalA rider waits for a train in the New York subway in his underwear as he takes part in the 2014 No Pants Subway Ride on January 12, 2014. Started by Improv Everywhere, the goal is for riders to get on the subway train dressed in normal winter clothes without pants and keep a straight face. AFP PHOTO / TIMOTHY CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images) (credit:Getty Images)
US-OFFBEAT-NO PANTS(26 of37)
Open Image ModalA rider in the New York City subway in the underwear as she takes part in the 2014 No Pants Subway Ride January 12, 2014. Started by Improv Everywhere, the goal is for riders to get on the subway train dressed in normal winter clothes without pants and keep a straight face. AFP PHOTO / TIMOTHY CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images) (credit:Getty Images)
US-OFFBEAT-NO PANTS(27 of37)
Open Image ModalTwo riders in the New York City subway in the underwear as they take part in the 2014 No Pants Subway Ride January 12, 2014. Started by Improv Everywhere, the goal is for riders to get on the subway train dressed in normal winter clothes without pants and keep a straight face. AFP PHOTO / TIMOTHY CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images) (credit:Getty Images)
US-OFFBEAT-NO PANTS(28 of37)
Open Image ModalA rider walks in a New York subway station in his underwear as he takes part in the 2014 No Pants Subway Ride on January 12, 2014. Started by Improv Everywhere, the goal is for riders to get on the subway train dressed in normal winter clothes without pants and keep a straight face. AFP PHOTO / TIMOTHY CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images) (credit:Getty Images)
US-OFFBEAT-NO PANTS(29 of37)
Open Image ModalA woman rides a New York subway train in her underwear as she takes part in the 2014 No Pants Subway Ride on January 12, 2014. Started by Improv Everywhere, the goal is for riders to get on the subway train dressed in normal winter clothes without pants and keep a straight face. AFP PHOTO / TIMOTHY CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images) (credit:Getty Images)
US-OFFBEAT-NO PANTS(30 of37)
Open Image ModalA woman rides a New York subway train in her underwear as she takes part in the 2014 No Pants Subway Ride on January 12, 2014. Started by Improv Everywhere, the goal is for riders to get on the subway train dressed in normal winter clothes without pants and keep a straight face. AFP PHOTO / TIMOTHY CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images) (credit:Getty Images)
US-OFFBEAT-NO PANTS(31 of37)
Open Image ModalA woman rides a New York subway train in her underwear as she takes part in the 2014 No Pants Subway Ride on January 12, 2014. Started by Improv Everywhere, the goal is for riders to get on the subway train dressed in normal winter clothes without pants and keep a straight face. AFP PHOTO / TIMOTHY CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images) (credit:Getty Images)
US-OFFBEAT-NO PANTS(32 of37)
Open Image ModalA man rides a New York subway train in his underwear as he takes part in the 2014 No Pants Subway Ride on January 12, 2014. Started by Improv Everywhere, the goal is for riders to get on the subway train dressed in normal winter clothes without pants and keep a straight face. AFP PHOTO / TIMOTHY CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images) (credit:Getty Images)
US-OFFBEAT-NO PANTS(33 of37)
Open Image ModalRiders wait for a train in the New York subway in their underwear as they take part in the 2014 No Pants Subway Ride on January 12, 2014. Started by Improv Everywhere, the goal is for riders to get on the subway train dressed in normal winter clothes without pants and keep a straight face. AFP PHOTO / TIMOTHY CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images) (credit:Getty Images)
US-OFFBEAT-NO PANTS(34 of37)
Open Image ModalRiders wait for a train in the New York subway in their underwear as they take part in the 2014 No Pants Subway Ride on January 12, 2014. Started by Improv Everywhere, the goal is for riders to get on the subway train dressed in normal winter clothes without pants and keep a straight face. AFP PHOTO / TIMOTHY CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images) (credit:Getty Images)
US-OFFBEAT-NO PANTS(35 of37)
Open Image ModalRiders joke as they wait for a train in the New York subway in their underwear while taking part in the 2014 No Pants Subway Ride on January 12, 2014. Started by Improv Everywhere, the goal is for riders to get on the subway train dressed in normal winter clothes without pants and keep a straight face. AFP PHOTO / TIMOTHY CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images) (credit:Getty Images)
US-OFFBEAT-NO PANTS(36 of37)
Open Image ModalRiders wait for a train in the New York subway in their underwear as they take part in the 2014 No Pants Subway Ride on January 12, 2014. Started by Improv Everywhere, the goal is for riders to get on the subway train dressed in normal winter clothes without pants and keep a straight face. AFP PHOTO / TIMOTHY CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images) (credit:Getty Images)
US-OFFBEAT-NO PANTS(37 of37)
Open Image ModalA rider in the New York City subway in the underwear as he takes part in the 2014 No Pants Subway Ride January 12, 2014. Started by Improv Everywhere, the goal is for riders to get on the subway train dressed in normal winter clothes without pants and keep a straight face. AFP PHOTO / TIMOTHY CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images) (credit:Getty Images)