A large crowd of cyclists and pedestrians, viewed from behind, participate in the 2012 Kritiskā masa event on a sunny day. The group is moving along a broad pathway lined with leafless trees. Participants wear casual attire, and some carry backpacks. Blue skies and distant buildings are visible in the background.

A large crowd of cyclists and pedestrians, viewed from behind, participate in the 2012 Kritiskā masa event on a sunny day. The group is moving along a broad pathway lined with leafless trees. Participants wear casual attire, and some carry backpacks. Blue skies and distant buildings are visible in the background.