Take a look at this strangely satisfying video of the City of Los Angeles using a jet black truck to dump millions of black water-filled shade balls into a reservoir to protect the water from evaporation and contamination.
[su_youtube url=”https://www.youtube.com/watch?v=lqhF2JpZBVs” width=”700″ height=”500″ responsive=”no”]https://www.youtube.com/watch?v=lqhF2JpZBVs[/su_youtube]
Source:
LasVirgenesMWD