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Buriganga River, Bangladesh
Buriganga is also known as the Old Ganges in Bangladesh. Bangladesh is one of the most densely populated countries around the world and is right now suffering from every kind of pollution that exists. The aquatic life has hugely suffered due to this pollution and fish have died. Human waste has also contributed to the current state of this river and turned the river black. The main sources of the pollution are the various tanneries located on the banks of this river.
