where do big rivers like the Rhine get their water from?

Question

The source of the Rhein is a small lake. Even the Rhein has several small sources, can they supply such a big river only by rain and spring water? How big are those reservoirs?

In: Earth Science

Answer 1

People take little buckets, fill them with ocean water, make a humain chain and pour it in the river. All during the night so you don’t see them.