<Li> The 135 m ( 443 ft ) London Eye , typically described as a `` giant Ferris wheel '' by the media , has ovoidal externally mounted motorised capsules and is the `` world 's tallest cantilevered observation wheel '' according to its operators , who claim `` The London Eye is often mistakenly called a Ferris wheel . This is not the case : first , the passenger capsules are completely enclosed and are climate controlled ; secondly , the capsules are positioned on the outside of the wheel structure and are fully motorised ; and third , the entire structure is supported by an A-frame on one side only . '' However the Singapore Flyer subsequently billed itself as the `` world 's largest observation wheel '' , despite being supported on both sides , and the official londoneye.com website also refers to the London Eye as `` Europe 's tallest Ferris wheel '' . </Li>
<Li> The 135 m ( 443 ft ) London Eye , typically described as a `` giant Ferris wheel '' by the media , has ovoidal externally mounted motorised capsules and is the `` world 's tallest cantilevered observation wheel '' according to its operators , who claim `` The London Eye is often mistakenly called a Ferris wheel . This is not the case : first , the passenger capsules are completely enclosed and are climate controlled ; secondly , the capsules are positioned on the outside of the wheel structure and are fully motorised ; and third , the entire structure is supported by an A-frame on one side only . '' However the Singapore Flyer subsequently billed itself as the `` world 's largest observation wheel '' , despite being supported on both sides , and the official londoneye.com website also refers to the London Eye as `` Europe 's tallest Ferris wheel '' . </Li>
what is the world 's tallest cantilevered observation wheel
what is the world 's tallest cantilevered observation wheel
London Eye
London Eye