Riot police in Athens clash with protesters - Stock image
Crowd, Fog, Protest, Spectator, Athens - Greece
'Athens, Greece - June, 29th 2011: Clouds of tear gas hung in Panepistimou avenue in central Athens, as riot police spray chemicals at youths throwing stones. Clashes break out in Syntagma Square and spread soon to nearby streets. The violence dispersed the peaceful anti-austerity protest in Syntagma Square, where the Greek parliament voted to approve unpopular austerity measures.'