A crossroads of ancient civilizations and home to some of the world’s oldest human settlements, Iran has a rich and storied history. Modern-day excavations have uncovered an almost continuous record of that history in the form of pottery, which transformed stylistically as a reaction to cultural and political changes. For example, following the 13th-century Mongol domination of Persia, Islamic pottery clearly began exhibiting a Chinese influence. During which dynasty were ceramic coffins used? Discuss