This image of simple geometry is ineligible for copyright and therefore in the public domain, because it consists entirely of information that is common property and contains no original authorship.
Original upload log
The original description page was here. All following user names refer to en.wikipedia.
The image was produced by the RIGA at FAO. This image was obtianed from the RIGA website http://www.fao.org/es/ESA/riga/english/index_en.htm. It is with the concent of the web designer that we post this image.
File history
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