Stretching the Boundaries

that is, ideas and information on Science and Technology, Archaeology, Arts and Literatures. Physics at http://physics-sparavigna.blogspot.com/

Friday, April 15, 2011

Sun wheel

A geoglyph at Chicchapampa, Lake Titicaca

Image adapted from Google Maps.

see also

http://stretchingtheboundaries.blogspot.com/2011/04/around-world-in-ancient-agriculture.html

Amelia Carolina Sparavigna a 4:55 AM

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