BLUE17CIRCLES is a nationwide art installation focusing on climate protection, which will take place simultaneously in 17 cities on Earth Day, 22 April 2026, in collaboration with schools, universities and the environmental organisation ‘Blue Demonstration e.V.’. 

BERLIN     BREMEN     DORTMUND     DRESDEN     DÜSSELDORF   FRANKFURT   HEIDELBERG   HAMBURG   HANNOVER     KARLSRUHE   KASSEL     KIEL    COLOGNE    LEIPZIG    MUNICH    NUREMBERG    STUTTGART