Olympic organizers will take "extreme measures" by draining one of the pools that turned green and refilling it by Sunday morning, just a few hours before the start of the synchronized swimming events, an official said.
원문출처 : http://www.cnn.com/2016/08/14/sport/olympics-green-pool/index.html
원문출처 : http://www.cnn.com/2016/08/14/sport/olympics-green-pool/index.html