Matteo Guidi also produced an itinerant exhibition comprising material he collected during his research and drawings from the book , framed in 17 individual pieces. These were produced using a simple black ballpoint pen on paper by Mario Trudu, an inmate of Spoleto Prison. Prior to his detention, Mario Trudu (born In Sardegna in 1950), was an animal breeder. The exhibition has been held at several venues, including contemporary art galleries and spaces of artistic research, cultural associations, non-profit art organizations and community centres. Barcelona (ES), Museu del Disseny, June-October 2014 Bologna (IT), (galleria +) oltredimore, September 2014 Merano (IT), Ost West Club, April 2014 Venice (IT), Magazzini del sale, October 2013 Rovereto (IT), The Hub, September 2013 Naples (IT), Semmai Factory, July 2013 Rome (IT), Ex pastificio Cerere, July 2013 Turin (IT), Bin 11 gallery, June 2013 Florence (IT), Il vivaio del Malcantone, May 2013 Milan (IT), O’, May 2013 Trieste (IT), Double Room visual arts, April 2013 |  Bologna, (galleria +) oltredimore, September 2014 |  Barcelona, Museu del Disseny, June-October 2015 |  Turin, BIN 11, June 2013 |  Florence, Il vivaio del Malcantone, May 2013 |  Milan, O', May 2013 |  Venice, Ex magazzini del sale, October 2013 |