'World's tallest' Ferris wheel opens in Las Vegas
1 April 2014 Last updated at 17:21 BST
What is being billed as the world's tallest Ferris wheel has opened in Las Vegas.
At 168 metres (550 feet) high, the High Roller observation wheel is 3 metres taller than its nearest rival, the Singapore Flyer.
Tom Santorelli reports.