Georgia Aragvi River/ Two Rivers don't mix

Black Aragvi and White Aragvi are the two most popular touristic rivers in Georgia. Although these two rivers meet in the village of Pasanauri, they flow wonderfully without mixing. Scientists say that the reason for this is a difference in the density of water in these two rivers. However, these two flowing down together with another river called souse kaya Aragvi continue to flow with a blue and green color.