all the people crowded there to see the grass (more or less) green, the water blue These days it's the water that's green: http://www.nbcolympics.com/news/

all the people crowded there to see the grass (more or less) green, the water blue These days it's the water that's green: http://www.nbcolympics.com/news/rio-officials-drain-green-water-diving-pool-saturday-evening http://www.nbcolympics.com/news/rio-officials-drain-green-wa...