August 2017

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1, YET 3 There are many rivers that flow into the oceans of the world:  The Amazon, Danube, Darling, Euphrates, Ganges, Mississippi, Nile, Ob, Yangtze, etc. etc.  Each river flows pure and free at its source.  On the way to the ocean each river passes by various sources of impurity and contamination: chemical plants, cities, […]