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 is the tallest Ferris wheel in Europe. In fact, when it was constructed in 1999 it was the tallest Ferris wheel in the world! The Eye was built at a cost of Â£70 million pounds and boasts a diameter of 120 metres (394 feet) and a height of 135 metres (443 feet).