"For most Olympic athletes‚ their training is their hardest challenge and where they push themselves to the limit. For Paralympians‚ training and competition is an escape from the hardships and struggles of their everyday life. That is the difference."
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Source : "Paralympics: 'since I lost my limbs I can see the true heroism of the competitors'" by Giles Duley, www.theguardian.com. August 25, 2012.