JOHANNES EISELE / AFP/Getty Images
Participants in the 18th Annual "No Pants Subway Ride" travel in the subway on January 13, 2019 in New York. - The "No Pants Subway Ride" is an annual event started in 2002 by Improv Everywhere in New York, the goal of which is for riders on the subway train to dress in normal winter clothes without pants while keeping a straight face.
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Luiz C. Ribeiro for New York Daily News
Participants in the 18th Annual "No Pants Subway Ride" travel through New York City Union Square subway station on Sunday January 13, 2018 in New York.
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Participants took part in the 18th annual No Pants Subway Ride on Sunday, January 13, 2019. The annual event is organized by Improv Everywhere each January in New York City.