Backyard water garden with a fully stocked koi pond to provide a relaxing diversion.
Ecosys - Lagos Ornamentais
The water is so clear you can see all the gold fish and the bottom
Another shallow koi pond
Swimming Ponds , I wonder if we could do this to our existing pond.
making a pond edge - Google Search
Backyard deck is cantilevered over water garden for ideal viewing of fish and aquatic plants. If you can do it over a pond, you should be able to do it over a pool.
pond liner - Google Search
Ways to edge a pond.