A large group of people organise to get together at a specific time and place to surprise the public. They will put on a performance that is random and pointless for a brief time and then they will disperse as if nothing has happened.
A large group of people organise to get together at a specific time and place to surprise the public. They will put on a performance that is random and pointless for a brief time and then they will disperse as if nothing has happened.