No. Rivers are natural features.
the River Thames, is natural, it is not man-made.
the river thames, is natural, it is not man-made.
it is natural
it not man made it is a natural landmark
There can be no such thing as a 'natural man made river bank', things are either natural or man made. However, I think you are referring to what is called a 'Levee'.
A laser is man-made, a river is natural.
It's a natural feature.
The St. Lawrence river is natural.
The Amazon river/rain forest is a natural feature, not a man made feature.
No it was man made on the red river.
no there are NO man-made features in the amazon river its all NATURAL!