posted on Jan, 2 2013 @ 06:13 AM
Wow, I have seen one of these before (on google maps) and wondered what on earth it could be!
Its close to Tiwanaku / Puma Punku which could give an idea of its age...
The area has been tagged now as "Sukakollos Tiwanacotas" and are thought to be a series of giant irrigation systems / aqua farming channels.
Edit to add: Just like the op has quoted, if you look around the area between the lake and the town, you can see mini examples of this technique
developing, such as here:
If it works, I hope it spreads! If the land was unworkable before but now sustains life through methods such as these, its far better then poisoning
the ground water, ecosystem and ultimately the entire land through run off into the rivers and lakes with Monsanto or similar chemical GM seeds of
edit on 2/1/2013 by Kliskey because: as above