Urticaria is also known as 'nettlerash' or 'hives'. It consists of wheals-spots or patches of raised red or white skin-each of which usually clears away in a few hours, to be replaced by other fresh wheals. The wheals are usually itchy, painful or cause a burning sensation.
1 1893: the original Ferris Wheel was 80.4 metres (264 ft) tall. 2  Built for the World's Columbian Exposition in Chicago, Illinois, it was moved to St. Louis, Missouri, in 1904 for the Louisiana Purchase Exposition, and demolished there in 1906.
The London Eye has held its position as the biggest Ferris wheel in the world since 2000, reaching a whopping 135m and adding an oomph to the London skyline that has other countries salivating. The London Eye held the title as the biggest Ferris wheel in the world for six years. China was next to get in on the game. In 2006 they introduced their own wheel of fortune, Star of Nanchang, which soared 165m above the ground.