An exhibition of large-scale light installations, it is one of Italy's leading cultural events, launched in 1998 in Turin, Italy. The event is administered by the city's cultural services department, and is funded by corporate sponsors and an entity of regional government. Selection of artists is by government officials and curatorial staff of Castello di Rivoli, a Turin contemporary art museum. Participating installation artists include Mario Merz, Daniel Buren, Rebecca Horn, Michelangelo Pistoletto, Gilberto Zorio and Joseph Kusuth. Source: David Ebony, 'Italy's Northern Lights', "Art in America", February 2008.