![fotojournalismus:
A riot police officer, with a helmet stained by thrown paint, watches a march of teachers and students protesting a wide range of issues regarding the government’s educational policies in Bogota, Colombia, Sept. 5.
[Credit : William Fernando Martinez / AP]](http://24.media.tumblr.com/tumblr_m9x82swsVu1r44q44o1_250.jpg)
A riot police officer, with a helmet stained by thrown paint, watches a march of teachers and students protesting a wide range of issues regarding the government’s educational policies in Bogota, Colombia, Sept. 5.
[Credit : William Fernando Martinez / AP]
Riot policemen stand guard after getting splattered by paintballs from student protesters during clashes on International Workers’ Day, or May Day, at the central square of Bogota May 1, 2012.
[Credit : Jose Miguel Gomez/Reuters)
