The London Eye  also known as the Millennium Wheel, at a height of 135 metres, is the largest Ferris wheel in Europe, and has become the most popular paid tourist attraction in the United Kingdom. It is located at the western end of Jubilee Gardens, on the South Bank of the River Thames in the London Borough of Lambeth. The wheel carries 32 sealed and air-conditioned egg-shaped passenger capsules, attached to its external circumference, each capsule representing one of the London Boroughs, one revolution takes about 30 minutes.