Michelle Obama kicks off 100-day countdown to Rio Olympics with US Olympians

Updated: 2016-04-29 10:48

(Xinhua)

Michelle Obama kicks off 100-day countdown to Rio Olympics with US Olympians

Children take part in the basketball demonstration during the Team USA's "Road to Rio Tour" activity at Times Square in New York, the United States, on April 27, 2016. [Photo/Xinhua]

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