What better way to promote cycle safety than to gather together hundreds of people in varying states of undress in busy city centres and get them to ride about a bit? Wait, don't answer that.

Still, whatever you think of it, World Naked Bike Ride day was June 9, and here are the photos that prove that yes, yes indeed, this remarkably flesh-filled event actually took place, and more than a few people were willing to get their kit off for it all over the world.

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Of course, there was no obligation to remove all articles of clothing before joining in - underwear-wearers and the fully-clothed also made an appearance - but it was the chillier group of cyclists that seemed to get the most attention from nearby photographers... for some reason.

So to see some safety conscious and body positive folk on a number of pedal-powered contraptions both in London and Southampton, get clicking on the picture gallery below.

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  • The 2012 Annual Naked Bike Ride seen in London and Southampton. (Photo credit: WENN)

  • The 2012 Annual Naked Bike Ride seen in London and Southampton. (Photo credit: WENN)

  • The 2012 Annual Naked Bike Ride seen in London and Southampton. (Photo credit: WENN)

  • The 2012 Annual Naked Bike Ride seen in London and Southampton. (Photo credit: WENN)

  • The 2012 Annual Naked Bike Ride seen in London and Southampton. (Photo credit: WENN)

  • The 2012 Annual Naked Bike Ride seen in London and Southampton. (Photo credit: WENN)

  • The 2012 Annual Naked Bike Ride seen in London and Southampton. (Photo credit: WENN)

  • The 2012 Annual Naked Bike Ride seen in London and Southampton. (Photo credit: WENN)

  • The 2012 Annual Naked Bike Ride seen in London and Southampton. (Photo credit: WENN)

  • The 2012 Annual Naked Bike Ride seen in London and Southampton. (Photo credit: WENN)

  • The 2012 Annual Naked Bike Ride seen in London and Southampton. (Photo credit: WENN)

  • The 2012 Annual Naked Bike Ride seen in London and Southampton. (Photo credit: WENN)

  • The 2012 Annual Naked Bike Ride seen in London and Southampton. (Photo credit: WENN)

  • The 2012 Annual Naked Bike Ride seen in London and Southampton. (Photo credit: WENN)

  • The 2012 Annual Naked Bike Ride seen in London and Southampton. (Photo credit: WENN)

  • The 2012 Annual Naked Bike Ride seen in London and Southampton. (Photo credit: WENN)

  • The 2012 Annual Naked Bike Ride seen in London and Southampton. (Photo credit: WENN)

  • The 2012 Annual Naked Bike Ride seen in London and Southampton. (Photo credit: WENN)

  • The 2012 Annual Naked Bike Ride seen in London and Southampton. (Photo credit: WENN)

  • The 2012 Annual Naked Bike Ride seen in London and Southampton. (Photo credit: WENN)