River - http://list25.com/25-curious-river-facts-that-you-probably-did-not-know/?view=all

amazon - http://list25.com/25-wild-things-about-the-amazon-that-make-it-one-of-the-most-unique-places-on-earth/?view=all

https://www.zmescience.com/other/feature-post/largest-river-world-43223/

https://list25.com/25-longest-rivers-in-the-world/

https://www.zmescience.com/science/news-science/everest-growing-because-rivers/