Lang-Baumann, Street Painting #7, 2013, 59 x 3,8 m, road marking paint. Rennes (France). Produced by 40mcube and PHAKT, in partnership with Signature and Identic, and with the support of the City of Rennes and the Swiss Art Concil Pro Hevetia. Courtesy Loevenbruck gallery and Urs Meile gallery. Photo : Lang-Baumann.