Backdropped by Wellington Arch in London, a yellow card is being shown to a walker in the UKA 20km Senior and 10km Junior Race Walk Championship during a London 2012 Olympic test event, Monday, May ... more 
Backdropped by Wellington Arch in London, a yellow card is being shown to a walker in the UKA 20km Senior and 10km Junior Race Walk Championship during a London 2012 Olympic test event, Monday, May 30, 2011. less 
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Associated Press | Photo By Sang Tan
Mon, May 30, 2011 1:41 PM EDT