No pants in Philly today.

 

On Sunday, Philly participated in the annual No Pants Subway Ride. The event, created by Improv Everywhere, started 15 years ago as a prank with seven guys riding the subway without wearing pants. Since then, it has become an internationally celebrated event.

 

RELATED:All you need to know about this Sunday’s No Pants Subway Ride

 

Participants gathered at the courtyard of the Municipal Services Building, located at 1401 John F Kennedy Blvd to ride the subway and partake in the silliness.

 

Check out some of the action from this year's No Pants Subway Ride in Philly.