In the Forbidden City and other palaces around Beijing, Emperor Qianlong (r. 1736-1795) surrounded himself with monumental paintings of architecture, gardens, people, and faraway places. The best artists of the imperial painting academy, including a number of European missionary painters, used Western perspectival illusionism to transform walls and ceilings with visually striking images that were also deeply meaningful to Qianlong. These unprecedented works not only offer new insights into late imperial China's most influential emperor, but also reflect one way in which Chinese art...