求一篇伦敦眼（伦敦摩天轮）的英文介绍

The Ferris wheel is named after George Washington Gale Ferris,Jr.,graduate of Rensselaer Polytechnic Institute and a Pittsburgh,Pennsylvania,bridge-builder.He began his career in the railroad industry and then pursued an interest in bridge building.Ferris understood the growing need for structural steel and founded G.W.G.Ferris & Co.in Pittsburgh,a firm that tested and inspected metals for railroads and bridge builders.
Ferris designed and built the Chicago Wheel[1][2] for the 1893 World's Columbian Exposition in Chicago,Illinois.The wheel was intended as a rival to the 324-metre (1,060 ft) Eiffel Tower,the centerpiece of the 1889 Paris Exposition.It was the largest attraction at the Columbian Exposition,with a height of 80 metres (260 ft),and was powered by two steam engines.The axle,a single 700.000-ton solid hammered steel forging,was forty-five feet long and thirty-two inches in diameter.[3] There were 36 cars,accommodating 40 people each,giving a total capacity of 1,440.It took 190 minutes for the wheel to make two revolutions—the first to make six stops to allow passengers to exit and enter; the 2nd,a single non-stop revolution—and for that,the ticket holder paid 50 cents.When the Exposition ended,the wheel was moved to the north side,next to an exclusive neighborhood.William D.Boyce filed an unsuccessful Circuit Court action against the owners of the wheel,to have it moved.It was then used at the St.Louis 1904 World's Fair and eventually destroyed by controlled demolition using dynamite on May 11,1906.[4]
The Wiener Riesenrad is a surviving example of nineteenth century Ferris wheels.Erected in 1897 in the Prater park in the Leopoldstadt district of Vienna,Austria,it has a height of 64.75 metres (212.4 ft).[5] Following the demolition of the 100-metre (330 ft) Grande Roue de Paris in 1920,[6] the Riesenrad was the world's tallest extant Ferris wheel until the construction of the 85-metre (280 ft) Technocosmos for Expo '85 in Tsukuba,Ibaraki,Japan.
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