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Paralympic Games are biggest since 1960

Eddie Keogh / Reuters

Germany's Wojtek Czyz wins silver in the men's long Jump F42/44 classification final during the London 2012 Paralympic Games at the Olympic Stadium Aug. 31.

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Timothy Antalfy of Australia competes in the Men's 100m Butterfly - S13 Final on day 2 of the Games.

The London Paralympics is hosting the biggest number of athletes since its inception in 1960 at the Rome Games, with 4,280 competitors representing 164 nations compared to 400 participants from 23 countries in the Italian capital.

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Olivia Harris / Reuters

Matt Stutzman of the U.S. uses his feet to support his bow and his teeth to fire the arrow during the Archery Men's Individual Compound - Open at the London 2012 Paralympic Games, Aug. 31.

Justin Setterfield / Getty Images

David Weir of Great Britain (C) competes in the Men's 5000m - T54 heat 3 on Day 2 at the London 2012 Paralympic Games at the Olympic Stadium on Aug. 31, in London.