If you're viewing on Facebook it's http://www.youtube.com/watch?v=UPT4eaFuUEc
I just discovered this piece of awesomeness. It's apparently from a very low budget action movie shot in Akron, Ohio in 1980 and released in '83. This is what Akron looked like when Zero Defex was going strong and I was first discovering Zen. How did I ever make it out alive?
And don't forget part two:
The waterfall-like thingy is right around the corner from where I used to live. I spent a lot of time there. Never saw guys karate fighting in the water, though.
For Facebook people the link is: http://www.youtube.com/watch?v=iQmQX79HMnQ