There are cave paintings in North Africa that are 8,000 years old that show people using forked sticks to do “water dowsing”.
Nobody knows how it works, or how anyone discovered this method.
Like this… 
Discussion
That's a bow and arrow
There are cave paintings in North Africa that are 8,000 years old that show people using forked sticks to do “water dowsing”.
Nobody knows how it works, or how anyone discovered this method.
Like this…
That's a bow and arrow