CNN's Nick Paton Walsh takes a look inside a 24-hour lab dedicated to keep the Brazil Olympic games doping free.
원문출처 : http://www.cnn.com/videos/world/2016/06/21/intl-olympic-committee-russians-doping-walsh-pkg.cnn
원문출처 : http://www.cnn.com/videos/world/2016/06/21/intl-olympic-committee-russians-doping-walsh-pkg.cnn