One-story-and-a-half sunken courtyard in real life

Quick answer：

This refers to a type of courtyard design where the lower level is sunken below ground level, creating a semi-basement space. Such designs are often found in traditional Chinese architecture, where they serve both aesthetic and functional purposes. The sunken courtyard can provide privacy, insulation from the wind, and a sense of depth to the overall structure. In modern architecture, this concept is sometimes adapted for contemporary homes to incorporate both traditional elements and modern living standards.