Improv Everywhere is a New York-based comedy troupe known for its unexpected flash mobs. For its latest mission, the group ...

The singing will last for about an hour and we warmly invite you to join in if you enjoy singing (and even if you don't - we need people to give out leaflets). The idea is to try a new and different ...

One very popular example of a flash mob is the March 2009 video that featured over 200 participants in Antwerp, Belgium, Central train station who spontaneously broke into choreographed dance steps to ...