He is an author of documentaries, video-clips, and short films. Among his fiction works, there are 3 short films: Contrappassex (1995), Limbo Boulevard (1997), Luna (2000), which participated to numerous Italian and foreign festivals and won several prizes and awards. Perino del Vaga, pittor fiorentino. Tra Raffaello e Michelangelo (2002) was purchased by the Louvre and became part of its permanent collection of art documentaries. Souvenir. Natura morta con fiume (Souvenir. Still life with a river) (produced by Tele+ and Lega Ambiente) and Giganti protetti (Protected giants) (ordered by Istituto dei Beni culturali Emilia-Romagna) belong to the environment field. Aldo Rossi- Il teatro del Mondo 1979-2004 (Aldo Rossi- World theatre 1979-2004) created for an installation inside Arte and Architettura exhibition (Genoa 2004, administrated by Germano Celant) was selected by Roma Art Doc Fest 2005 and by Art Film Festival (Asolo 2005) and presented at Biennale of Architecture (Parma 2006). In 2004 he creates Latin Lover, Italian episode of the collective European film “Large”, that was screened in all the 25 European states and also in Congo, Indonesia, Colombia. In summer 2004 Zanasi was one of the creators of CineCirco (Group 28senza), itinerant festival of Italian independent works (fiction, documentaries, video-art) that goes from Italy to Lapland and that is linked to the Midnight Sun Film Festival. Il signor Rossi va in Lapponia is a film born thank to that journey.
Le notti di Rosalba (Doc. Arte, Momopipdeus, in produzione) (dig., 50’);
Il gusto della meraviglia (Doc.Arte, Momopipdeus, 2004) (dig., 12’), Mostra I.B.C. ; Gli occhi del pubblico, Bologna, Rimini, Piacenza 2006; Guercino. Le Madonne la Giovinezza (Doc. Arte, Fondazione CARISBO, 2006) (dig., 14’);
Un ventre gonfio d’assenza (Video-scenografie per l’omonimo spettacolo di M. Tomasello Teatro dell’Argine, 2005)
(dig., tecniche miste, col.); Il Signor Rossi va in Lapponia (Doc. 2005) (co-regia con B. Bolognesi da progetto del Gruppo 28SENZA) (dig., 74’);
- Midnight Sun Film Festival, Finland 2005
- OffiCinema Bologna 2005
- Annecy Cinéma Italien 2005
- Festival du Toulouse 2006
Mater Dolorosa. (Doc. Antrop.2004)
Latin Lovers Ep. film LARGE (CICEB Bruxelles 2004)
- Annecy Cinéma Italien 2005