An athlete's A and B-samples of urine, with the improved seal, seen in green to be used at the Olympics,...
An athlete's A and B-samples of urine, with the new improved seal, seen in green to be used at the Olympics, are labeled to be tested at the Doping Control Laboratory, at the National Institute of Scientific Research Centre (INRS) Institute Armand-Frappier in Laval, Quebec, Canada January 15, 2018. REUTERS/Christinne Muschi