Mérida 131, Cuauhtémoc, Colonia Roma, Distrito Federal, Mexico. 23rd Jan, 2015. A portrait and a sign reading ¿Where are they? decorates a wall in Mexico City as part of a protest demanding justice for the 43 missing students of Ayotzinapa, Guerrero state. Credit: Chico Sanchez/StockimoNews/Alamy Live News

- Image ID: N0015G