This story was too good to ignore (found at The Register):
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Three Italian visitors to Munich's legendary Oktoberfest came away with more than a hangover last week when they were entertained by the sight of a nurse pleasuring herself with a sex toy in a Ferris wheel gondola while two men armed with a video camera looked on.

Rather brilliantly, the smutmongers explained that they had been "engaged in a sociological experiment to measure public responses to unexpected behaviour", which sounds like a plausible defence for just about everything from full-on rumpy-pumpy in Trafalgar Square, to picking up an old lady's irritating and yapping pet poodle and drop-kicking it under the wheels of a bus.
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We're not certain what happened to the gondola romp threesome. Twelve hours of enforced exposure to a traditional, lederhosen-clad oompah band ought to set them back on the straight and narrow.
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My visit to Oktoberfest was tame in comparison. I got drunk, on a mere two steins, and staggered off to find a taxi so that I would be vaguely human for my presentation the next morning. Others were not so sensible and partook of both beer and fairground. Surely a fairground for drunk people is a bad idea?
What I like about Oktoberfest is that it could never happen in Britain. There would be violence, initially between drunks but later against the police. There would be a strong risk of riot. In Britiain people don't know how to drink. In Germany they have made it an artform.