One of the great delights of living in NYC is Improv Everywhere whose whole purpose in life is to pop up in improbable settings and pull off an iprov performance that leaves New Yorkers doubled over in stitches of delight. Their latest is vintage Improv Everywhere, so watch it and grin.
The secret of their success is the complete conviction with which they throw themselves into whatever they are doing. Here’s the link to their archive of great pranks they have pulled across the city. Enjoy