How Wolves Change Rivers

To see this  fascinating You Tube Video of 'How Wolves Change Rivers'  (submitted by Osteopath Bernard Schmitt)

https://www.youtube.com/watch?v=ysa5OBhXz-Q


for more, from this interesting site -  also see

http://sustainableman.org/


e.g. this one:

https://www.youtube.com/watch?v=ysa5OBhXz-Q

and many others.

Enjoy

Mike
www.christchurch-osteopathy-acupuncture.co.nz