Are Berlin’s cyclists more hardcore than New York’s are? A new guerrilla art project involving thirteen gallons of paint, Rosenthaler Platz, and a bunch of unwitting drivers would suggest that yes, in fact they are. (Apologies, Critical Mass.) They also like pretty rainbow colors. Click through to check out more photos, and for those of you bristling over the thought of ruined shoes/tires/etc., take comfort in the fact that the cyclists used washable paint.