INTERFERENCE is an international light art project in the Medina of Tunis that has been realized in 2016 for the first time. Due to the collective effort of almost 200 volunteers, the Medina community, a plethora of organizations, institutions, and companies and a multitude of international artists the decentral exhibition project with 42 artworks was realized. Most of the works were site- or context-specific and 16.000 visitors came to see them during the four nights of display. From September 6 to 9, 2018, the second edition of INTERFERENCE will take place from September 6 to 9, 2018.