Keeping rivers clean is very important for humans because they are such a source of fresh water, due to the absence of which human existence can be in danger. Although humans have made many rivers of the world dirty due to pollution, but even today there are many rivers which are so clean that looking at them you will feel as if they are as clear as glass. There is such a river in Brazil (Brazil cleanest river), whose video is going viral on social media. Unique videos related to…
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