Image provided by Mexico's National Human Rights Commission (CNDH) shows the President of the CNDH Luis Raul Gonzalez Perez, holding a sign reading "#I give hope" during the opening ceremony of the Regional Meeting on Trafficking in Persons: Challenges and Progress, held in the framework of the World Day against the Trafficking in Persons, at Chancellery headquarters in Mexico City, capital of Mexico, on July 30, 2015. (Xinhua/CNDH)
