The image, obtained from Google Maps, shows the network of earthworks separated by canals - near the Titicaca Lake. This is an ancient agricultural technique used by Andean people starting from the first millennium BC.
More on Titicaca
arXiv:1009.4602 [pdf] Geoglyphs of Titicaca as an ancient example of graphic design,
arXiv:1009.2231 [pdf] Symbolic landforms created by ancient earthworks near Lake Titicaca, Amelia Carolina Sparavigna
A.C. Sparavigna (2012)
Image Processing for the Enhancement of Satellite Imagery. In: Image Processing: Methods, Applications and Challenges / Vítor Hugo Carvalho. Nova Science Publishers, Inc. (USA), pp. 149-161. ISBN 9781620818442
A.C. Sparavigna, R. Marazzato (2011)
Using Geographic Information Systems to Increment the Knowledge of Cultural Landscapes. In: Smart Tech & Smart Innovation, La strada per costruire il futuro, Torino, 15-17 Novembre 2011.
A.C. Sparavigna (2010)
The geoglyphs of Titicaca. In: ARCHAEOGATE n. 13-10-. - ISSN 1973-2953
