An illustrated inspirational book by Jean Vanhoof, acknowledged expert on swimming pondsEcological swimming ponds are still very much the in thing and offer a great many advantages in comparison to an ordinary swimming pool: the water is clear, soft and free of chlorine, you simply swim in between the water plants and the swimming ponds are perfectly integrated in the garden. Jean Vanhoof, an authority in this field, went to look at twenty of the most prestigious swimming ponds in several countries and explains the various systems. With superb pictures by the nature photographer Marc Slootmaekers.