oblique view.
oblique view.
This nearby ringed hill is typical of many in the area. The concentric rings usually
turn out to be level terraces,
faced on the outside with a stone wall.
Perhaps the walled terraces also served to retain water in the wet season.
This pass in the wet season shows the canals brimmng with water.
This pass in the wet season shows the canals brimmng with water.
This image shows the difference between an image taken in the wet season, left hand side, and the dry season, right hand side.
On the right hand side, the canals are still there, but barely visible.
This image shows the difference between an image taken in the wet season, left hand side, and the dry season, right hand side.
The canals have burst their banks and flooded adjacent fields due to centuries without maintenance.
See also
dating of canals in northern Peru 4,684BC
dating and location of canals in northern Peru Wikipedia
"The new find suggests that agricultural settlements may have appeared in South America at about the same time they did in the Middle East.
Dillehay notes that the earliest evidence of irrigation canals in Sumeria is between 7,000 and 8,000 years old."
National Geographic quote... Researchers found three canals that date to at least 5,400 years ago buried by sediment layering. A fourth possible canal was also found, which special radiocarbon dating techniques revealed to be 6,700 years old.
"Some colleagues in the Andes surmise early canal irrigation based on the presence of crops at 9,000 to 10,000 years ago," said Tom D. Dillehay, an anthropologist at Vanderbilt University in Nashville, Tennessee, who lead the study.
See also contours forms in Peruvian side of Altiplano
See also "geoglyph" and other agricultural formations
in the
Oruro and Tiwanaku/La Paz regions
See also ringed hills page for views of ringed hilltops
Oruro and Tiwanaku/La Paz regions
See also earthquakes page for Oruro and Tiwanaku/La Paz regions
See also
canals gallery for views of canals in the Oruro region
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