"Great Britain's Mo Farah reacts after winning gold in the 5,000 meters on Saturday, August 20. It completed his <a href=""http://www.cnn.com/2016/08/20/sport/mo-farah-olympics-rio-5000-meters-double-double/"" target=""_blank"">""double-double""</a> -- for the second straight Olympics, he finished first in the 5,000 and the 10,000."
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