“Harreman”, in basque means “relationship”. The concept is at the basis of the Harreman Project by the catalan duo Reskate – composed by street artists Maria López and Javier de Riba – which, through the use of fluorescent paint, transform their murals from day to night. As it happens in Shenzhen, China, that once was a fishing community of 30.000 inhabitants and today is a metropolis of 12 million of people. Connectivity represents a net, in which a glowing fish appears by night. Or Chili Queen, in San Antonio, Texas: a great female face opens her eyes in the dark, transforming herself, as a tribute to the “Chili Queens”, that in this square set up tables to serve tex-mex food all night long. Among the latest achievements, Peace of Belmonte in Portugal, refers to the jewish community’s resistance during the Inquisition under Isabella d’Aragona.