Gabriela KristGabriela Krist is professor at the Institute of Conservation, University of Applied Arts Vienna, since 1999. She studied conservation at the Academy of Fine Arts Vienna, as well as art history and archaeology in Vienna and Salzburg. For many years, se worked for ICCROM in Rome and at the Austrian Federal Office for the Care of Monuments (Bundesdenkmalamt), and is a UNESCO Chair holder. Liangren Zhang is professor of the School of History, Nanjing University. He studied Chinese archaeology in China, then Russian archaeology in the USA. He is currently running collaborative projects in Russia and Iran, with the objective of exploring the roles of the Altai region and northeast Iran in the West-East cultural interaction. He has published extensively on Chinese art and archaeology, and Russian archaeology. Read More Read Less