Students wearing masks demonstrate against the government, demanding changes in the public state education system, in Valparaiso city, about 121 km (75 miles) northwest of Santiago, October 22, 2013. ... more 
Students wearing masks demonstrate against the government, demanding changes in the public state education system, in Valparaiso city, about 121 km (75 miles) northwest of Santiago, October 22, 2013. Chilean students have been protesting against what they say is profiteering in the state education system. REUTERS/Eliseo Fernandez (CHILE - Tags: POLITICS EDUCATION CIVIL UNREST BUSINESS) less 
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Reuters | Photo By Eliseo Fernandez / REUTERS
Tue, Oct 22, 2013 5:03 PM EDT