Critical Mass March 2012: 1200 Bikes and 1200 people are totally not worried about rising oil prices.This photo was shot on film. Taken by bongo_biene with a Nikon EM loaded with DM Paradies 400 (35mm) film in Vienna. These tags describe this photo: criticallmass, critical, mass, bike, vienna, march, nikonem, e-series, 1.8, and epsonperfectionv500. Date: 2012-03-16. Time: Dusk. This photo can also be found in the album Criticall Mass Vienna March 2012 .