Permaculture Natural Swimming Pools by David Pagan Butler

https://www.youtube.com/watch?v=tnyTwM8G_wE

How To Make a DIY Natural Swimming Pool

How to build a Natural Pool – Organic Pool

How to build a Natural Pool –  Organic Pool

https://www.youtube.com/watch?v=kAm2qkeDFWQ

Natural Swimming Pool Pond