A life-like statue of a man swimming through the grass on the South Bank of the River Thames is unveiled.The fixture, near Tower Bridge, shown in the background, was commissioned by The Discovery Channel to advertise its newest reality show, London Ink, and will be unveiled by the show's star, Louis Molloy.Mr Molloy is best known for being David Beckham's personal tattooist, and is responsible for the famous 'guardian angel' tattoo on the footballer's back.