Mihrab (prayer niche), 1354--55 (A.H. 755), just after the Ilkhanid period, Isfahan, Iran, polychrome glazed tiles, 135-1/16 x 113-11/16 inches / 343.1 x 288.7 cm (Metropolitan Museum of Art, New York). Speakers: Dr. Elizabeth Macaulay Lewis and Dr. Steven Zucker
License: CC BY-NC-SA by Khan Academy