Celler Straßehttps://www.visit-hannover.com/en/Event-Highlights,-Culture-Leisure/Art-Culture/Culture-for-free-–-art-for-all/Streetart-Graffiti-Tour/Streetart-Graffiti-List-Oststadt-Tour/Celler-Straße2019-06-25T10:42:50+02:00Celler StraßeMax Mustermannmax@mustermann.dehttps://www.visit-hannover.com/en/Event-Highlights,-Culture-Leisure/Art-Culture/Culture-for-free-–-art-for-all/Streetart-Graffiti-Tour/Streetart-Graffiti-List-Oststadt-Tour/Celler-Straße2019-06-25T10:42:50+02:00A colourful clown has been lighting up the dreary concrete buildings on the corner of Celler Straße and Hamburger Allee since 2016.