The shade of it all! These shade balls at the LA reservoir reduce the growth of carcinogens in drinking water 😮 | AOL

City officials released 20,000 shade balls into the Los Angeles Reservoir Monday, the final step in a $34.5 million water quality protection project. The black, plastic shade balls protect the water against dust, rain, birds, wildlife and chemical reactions caused by the sun. It also helps keep the water in the reservoir from evaporating. abc7.la/1NmJCAK | ABC7