Law enforcement cordon off participants of a May Day rally of opposition parties march along Nevsky Avenue.01.05.2012#1109116
Law enforcement check participants of a May Day rally of opposition parties march along Nevsky Avenue.01.05.2012#1109115
Law enforcement check participants of a May Day rally of opposition parties march along Nevsky Avenue.01.05.2012#1109114
Members of the Union of Metals Workers of St Petersburg and Leningrad Region march along Nevsky Avenue on a May Day rally.01.05.2012#1109105
