 Modern Bangladeshi art has produced many of South Asia's leading painters, including SM Sultan, Mohammad Kibria, Shahabuddin Ahmed, Kanak Chanpa Chakma, Kafil Ahmed, Saifuddin Ahmed, Qayyum Chowdhury, Rashid Choudhury, Quamrul Hassan, Rafiqun Nabi and Syed Jahangir among others.The earliest fortified cities in the region include Wari-Bateshwar, Chandraketugarh and Mahasthangarh.Bengal has a glorious legacy of terracotta architecture from the ancient and medieval periods.