Check out the long film at www.ecofilm.de ! It is part of the DVD "Sepp Holzer´s Permaculture" which you can purchase there. A film about the sustainable use of water by Austrian farmer Sepp Holzer. Fishponds on a mountain farm: an unusual sight at these altitudes. On an Austrian mountain, permaculture farmer Sepp Holzer created more than 70 ponds and wetland areas covering about 3 hectares. Filmmakers Malcolm St.Julian Bown and Heidi Snel have published a DVD with 3 films on Sepp Holzer. Find the DVD at www.ecofilm.de