6000 trees of an endangered species with varying heights at maturity were planted into five spirals by the artist, creating a step pyramid for each spiral when the trees are fullgrown. The trees help alleviate serious land erosion and desertification threatening Australia.

 

 

A Forest for Australia, 1998, Altoona Treatment Plant, Melbourne, Austrailia (400 meters x 80 meters, 6000 trees)
© Agnes Denes Digital Image from Original Rendering