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 first Ferris Wheel was built by George W. Ferris for the Columbian Exposition. It stood 264 feet high and had 36 cars that could each carry 40 people. The first Ferris Wheel was built by George W. Ferris for the Columbian Exposition. It stood 264 feet high and had 36 cars that could each carry 40 people. (Chicago Tribune archive photo)