ImprovEverywhere has released another video with this caption:
"On Sunday, January 8th, 2012 tens of thousands of people took off their pants on subways in 59 cities in 27 countries around the world. In New York, our 11th Annual No Pants Subway Ride had nearly 4,000 participants, spread out over six meeting points and ten subway lines."Check out the looks on people's faces! Enjoy!