A man with disabilities paints with his mouth during the 4th Fair of Rights of People with Disabilities, commemorating the effect on rights of people with disabilities at Commission of Human Rights of the Federal District(CDHDF, for its acronym in Spanish), in Mexico City, capital of Mexico, on May 6, 2014. (Xinhua/Pedro Mera)

　　A man on crutches plays soccer during the 4th Fair of Rights of People with Disabilities, commemorating the effect on rights of people with disability at Commission of Human Rights of the Federal District(CDHDF, for its acronym in Spanish), in Mexico City, capital of Mexico, on May 6, 2014. (Xinhua/Pedro Mera)

　　A child with down syndrome participates in the 4th Fair of Rights of People with Disabilities, commemorating the effect on rights of people with disabilities at Commission of Human Rights of the Federal District (CDHDF, for its acronym in Spanish), in Mexico City, capital of Mexico, on May 6, 2014. (Xinhua/Pedro Mera)