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AP Malawi's Joyce Tafatatha trains at the Aquatics Center at the Olympic Park ahead of the 2012 Summer Olympics, Thursday, July 26, 2012, in London. Open - Photo

Malawi's Joyce Tafatatha trains at the Aquatics Center at the Olympic Park ahead of the 2012 Summer Olympics, Thursday, July 26, 2012, in London. Open

Thursday July 26, 07:26 PM
Malawi's Joyce Tafatatha trains at the Aquatics Center at the Olympic Park ahead of the 2012 Summer Olympics, Thursday, July 26, 2012, in London. Opening ceremonies for the 2012 London Olympics will be held Friday, July 27. (AP Photo/Daniel Ochoa De Olza)