Where is the cleanest river in world?

The cleanest river in the world is the Janeiro River, which is located in Brazil. The Janeiro River is known for its crystal clear waters, which are so pure that they can be seen through to the bottom. The river is also home to a wide variety of aquatic life, including fish, turtles, and birds. The Janeiro River is a popular spot for swimming, fishing, and boating, and it is also a source of drinking water for the local community.