What is a waterfall

“A waterfall is a drop in water in a river from a ledge crossing a river bed. Unlike river rapids, a sharp drop in the height of the river bottom and a sheer drop are characteristic of waterfalls”
Other sources say in the same vein “to find out what a waterfall is, study what a river is”, although in most cases everything is, in my opinion, just the opposite: “to find out what a river is, you need to know what a waterfall is “. Continue reading →