At 16, George Parker invented a game to amuse his brothers on a wet afternoon.

ECONOMIST: Monopoly and other games that conquered the world

Along the way, officially-sanctioned buskers and street entertainers are on hand to amuse the crowds, and music pumps from speakers -- though it can't drown out the cheers of fans inside the arenas.

CNN: Park life: Games leave London with a happy golden glow

So to amuse yourselves, you start making predictions on what will happen next.

FORBES: Game Startup PrePlay Inks Deal With MLB

Into the chaos, the fumbling in the dark, an order is imposed as people form circles around performers, a troupe of acrobats, jugglers and escape artists, a comedian, a group of musicians, a story-teller... this is trial by public jury: if the performance falls flat, the tricks fail to amuse or the stories to amaze, the crowds move on.

BBC: Djemaa el Fna, the beating heart of Marrakesh

The Last Resort re-wrote the rules for photographers, placed colour photography in the UK on the map and even now, more than 25 years on it still has the power to shock and amuse all at the same time.

BBC: England Uncensored by Peter Dench