... and to Nasca puquios, geoglypphs & subterranean aqueducts
... the Nasca puquios lead, further, to terraced amphitheaters
++++++++++++++++++++++++++
Waru Waru resources
"Source Book of Alternative Technologies for Freshwater
Augmentation in Latin America and the Caribbean"
UNEP - International Environmental Technology Centre
United Nations Environment Programme http://www.oas.org/usde/publications/Unit/oea59e/begin.htm
See:
4.1 Raised beds and waru waru cultivation
Also see:
1. Freshwater augmentation technologies
5.2 Fog harvesting in Chile