Take a look at these amazing colorful pictures from river deltas around the world seen from space. I think this is a very good visual explanations that rivers are very special geographic feature that are naturally highly dynamic and of course exceptionally beautiful. Especially for us “river scientists” it is sometimes necessary to step away from our tiny details to view the river as a whole and to realize its beauty. Just amazing.
There is a whole collection of such fascinating satellite images of river deltas from space published by http://www.huffingtonpost.co.uk/: