Construcción periodística de la marcha por el primer aniversario de Ayotzinapa. Un estudio comparado en titulares y fotografías de la prensa internacional.

At the first anniversary of the disappearance of 43 students in Ayotzinapa, several popular associations called for a series of activities that would culminate with a great protest march in Mexico City on September 26, 2015. This paper presents a comparative analysis of the way in which this event was reported in headlines and main images of nine newspapers with a long history as political actors in their respective countries: Mexico, Argentina, Brazil, Spain, United States, France and Great Britain. [ABSTRACT FROM AUTHOR]