These set of beautiful images depict a conflux.. According to hydrology,a confluence is the meeting point of two or more rivers,its can be also be described as the place where a river join another river to form a source region.
Confluence of the rhone and alve river in Geneva,Switzerland.
SourceConfluence of mosel and rhine river in koblenz, Germany
SourceConfluence of the thompson and fraser river in Lytton, BC, Canada
Source
Online Reference
http://twistedsifter.com/2012/04/confluences-around-the-world/
Hydrology is beautiful
Hydrology is interesting
Hydrology is life