See Why Los Angeles Drops 96 Million Balls Into Reservoir (VIDEO)

Los Angeles authorities decided to drop 96 million “shade balls” into the 75-acre reservoir which made many media sources and citizens surprised.

However there is a quite simple explanation to it. That was made to protect water.

Daily Mail explained: “They balls work by floating on the surface and blocking the sun rays to prevent the water from evaporating. By doing this, they also prevent the chemical reaction that creates the carcinogenic compound bromate.”

According to the estimates it is not a cheap plan. One ball costs 36 cents while 96 mln cost about  $32.6 mln. However it is  expected to save $250 million when compared to other, similar techniques to protect the water.

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