The thumbnail image used in this post, "United Nations", is by Christopher Chan, used under an Attribution-NonCommercial-NoDerivs 2.0 Generic (CC BY-NC-ND 2.0) Creative Commons license.
La imagen (thumbnail) usada en este post, "United Nations", pertenece a Christopher Chan, usada bajo una licencia de Atribución-NoComercial-SinDerivadas 2.0 Genérica (CC BY-NC-ND 2.0) de Creative Commons.