A ban on 'arousing' chili sauce and a law against getting intimate on a parked motorcycle appear on a list of the most bizarre sex-related legislation around the world.

The website weirdsexlaws.com has compiled the list of strange laws from places like Indonesia, Poland and the US.

Many of the laws can be traced back to now out-dated ordinances, but there are also some surprising modern entries - including standing naked in your window in Singapore.

London
In London it is reportedly illegal to have sex on a parked motorcycle.

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According to an old City ordinance, it is also against the law to check into a hotel in London under an assumed name for the purpose of having sex.

Birmingham
In Birmingham it is against the law for a man and a woman to have sex 'on the steps of any church after the sun goes down'.

Getting caught making love in these circumstances brings a charge of 'disorderly conduct' and a potential fine of up to £25 each, according to author Nigel Cawthorne.

Singapore
In Singapore anyone "who appears nude in a private place and is exposed to public view, shall be guilty of an offence."

In 2009, a taxi driver was fined £2,000 for being naked in his own flat when his neighbours caught a view of him through his window.

This means that hotel guests should avoid nudity if possible - especially if they're visible from outside their window.

Peru
In the 1970s, the Peruvian government banned prison inmates from eating chili sauce and hot spices because of fears they could arouse sexual desires.

Indonesia
According to Article 281 of national law, the maximum sentence for masturbation in Indonesia is 32 months imprisonment.

Poland
In Krakow, Poland, offenders found guilty of having sex with an animal three times can reportedly be shot.

According to author Shane Mooney, the punishment for this crime is a shot to the head.

Idaho
In the town of Coeur D'Alene, Idaho, if a police officer approaches a vehicle and believes the occupants might be having sex, he must flash his lights and wait three minutes before approaching the car.

Alabama
The Anti-Obscenity Enforcement Act of 1998 bans the sale of sex toys in the state of Alabama.

The law was also upheld by the Supreme Court in September 2009.