De acuerdo con la licencia CC BY-SA 2.0 -la cual protege este archivo- el usuario que subió la imagen hizo -previamente- una modificación. Ello con el fin de enfocar de la mejor manera posible al retractado.
Licensing
This image, originally posted to Flickr, was reviewed on 18 September 2012 by the administrator or reviewerArmbrust, who confirmed that it was available on Flickr under the stated license on that date.
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.