The London Eye — also as the Millennium Wheel — was officially opened by then Prime Minister Tony Blair on 31 December 1999, it was not opened to the public duringafteronuntil 9 March 2000 because of technical problems. The entire structure is 135 metres (or 443 feet) highesttalltallerheight, and the wheel has a diameter of 120 metres (that’s 394 feet). It’s currently Europe's tallertallestmost talltall Ferris wheel, and the most popular paid tourist attraction in the United Kingdom with abovemoreexceedingover 3.5 million visitors annually.

The Eye is described by itsit'stheirhis operators as "the world's tallest cantilevered observation wheel". It use towas used towas using toused to offer the highest public viewing point in London it was superseded by the 245-metre observation deck on the 72nd of The Shard skyscraper, thatwhichandwho opened to the public on 1 February 2013.

The wheel rotates byattofor 26 centimetres (or 10 inches) per second that one revolution takes about 30 minutes. It doesn’t usually stop to take on passengers the rotation rate is slow to allow passengers to walk on and off the moving capsules at ground level. It is, althoughconsequentlythereforehowever, stopped to allow disabled or elderly passengers time to embark and disembark safelysafersafetysafe.