Water is the source of life because life on our Earth originated in, more precisely, under the water. Water is essential for animals, plants and for us humans. Without water survival is impossible. Pure water is transparent, it smells and tastes of nothing. But where does the water come from? Where does it flow? And what happens to the water we do not use?
A look at the water cycle explains how drinking and non-potable water is reprocessed from sewage.