Red Versus Blue

What happens when you gather 26,000 or so of the cleverest people from the UK and the world, and subject them to intense ongoing pressure? You get antics such as flashmobbing, in which a large group of people gather at a certain point and do something (usually) meaningless and/or silly for a defined (usually short) period of time. There is a group of people who do this more or less regularly in Cambridge. Here is a video taken of one such flashmob, which was a 'red versus blue' tickle fight which went on for about a minute. The video is taken from the top of Caius college in the city centre, and the flashmob itself happened directly in front of Great St. Mary's.