A student covers her head with her hands during an earthquake drill at the Baclaran Elementary School Unit-1 in Paranaque city, metro Manila June 7, 2013. Earlier this month, a magnitude-5.7 quake hit Cotabato, southern Philippines, causing damage to several houses and schools and forcing many students to miss the first week of school, local media reported. REUTERS/Romeo Ranoco (PHILIPPINES - Tags: EDUCATION SOCIETY)