Colori contro la polizia a Bogotà, durante una marcia contro il governo indetta dai sindacati degli insegnanti

A student paints the shield of a riot police officer during a march called by the national teacher’s union to protest against an alleged government plan to change teacher’s health attention in Bogota, Colombia, Wednesday, Sep. 7, 2011. The government denied plans to such changes. (AP Photo/Fernando Vergara/Lapresse)