This is the place where two rivers, Bhagirathi (Clear and clean one) and Alaknanda (Dirty or muddy) combines to form river Ganges. Clean and dirty river water meet and merge. No audio
This is where two rivers meet. one river has warmer yellow water and the other river has colder black water for some reason, I can't remember why, the water doesn't mix. this is at the mouth of the amazon
No audio. Streamwise orientated vortex at a river confluence. Two videos side by side with real time speed on left and speed up on the right showing spinning vortex at the end of the flowing brown water in the river. Two rivers meeting in a junction making a spinning water in a streamwise oriented manner. YT video has a link at the description of the research and explanation.
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