Putingyuan sunken courtyard illustration

Quick answer：

The Putingyuan sunken courtyard is a traditional Chinese architectural feature, often found in Fujian Province. It consists of a courtyard that is lower in elevation than the surrounding ground, creating a sense of privacy and tranquility. These courtyards are typically enclosed by buildings on all sides and are adorned with lush greenery, ponds, and other decorative elements. The illustration you mentioned likely showcases the intricate design and artistic beauty of such a courtyard.