Gozo Minister Clint Camilleri inaugurated a special two-in-one exhibition at Il-Ħaġar museum in Victoria, featuring works by graphic artists Giovanni Battista Piranesi and Max Klinger.An introductory session chaired by Christian Zammit explained why the exhibition was titled On the Threshold of the Avantgarde.Participants included Patrizia Foglia, exhibition coordinator Valerio Ballotta and Arialdo and Marta Ceribelli....