Tokyo metro signs: subway etiquette
"Signs have appeared on the Tokyo Metro system, showing cartoon characters infringing the basic rules of tube etiquette, such as playing music..."
another look at olympics:
"New images reveal, for the first time, that man's most trusted ally, the guinea pig, holds a yearly competition. The Guinea Pig Games (GPG) pits two teams of athletic Cavia porcellus against each other to win gold, silver, and bronze medals..."