It is a natural river and is known to have been there for at least 10,000 years - although on a slightly different course.
All natural (except for any flood defense systems)
No. It has been there for thousands of years.
There are some man made rivers but very few, most rivers are natural so it's safe to say that rivers are natural.
It is a natural river. However - man has 'shaped' it to his own devices over the centuries
Virtually all are
The St. Lawrence river is natural.
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!