By Paul Majendie

BEIJING (Reuters) - Do not sleep outdoors to save money at the Olympics. It is banned to "maintain public hygiene and the cultured image of cities". Do not let the stifling summer heat tempt you into streaking, do not get drunk nor set off fireworks nor wave "insulting banners".

Anyone with mental illnesses or sexually transmitted diseases is banned. Smoking is not allowed at Olympic venues.

The rules on the organizers' official website say it all:

"Foreigners must respect