Moises Vazquez, 26, known as Spider-Moy, a computer science teaching assistant at the Faculty of Science of the National Autonomous University of Mexico (UNAM), who teaches dressed as a comic superhero Spider-Man, poses for a photograph during a class in Mexico City, Mexico, May 27, 2016. REUTERS/Edgard Garrido SEARCH "SPIDERMAN TEACHER" FOR THIS STORY. SEARCH "THE WIDER IMAGE" FOR ALL STORIES TPX IMAGES OF THE DAY