A chilean high school student takes part in a demonstration on an effigy of Chile's president Michelle Bachelet outside the Congress building in Valparaiso city, about 120 km (75 miles) northwest of Santiago April 30, 2008. Chilean students were protesting against changes to the public state education system and demanding a bigger budget for universities. REUTERS/Eliseo Fernandez (CHILE)
REUTERS/Eliseo Fernandez