Picture of a sunken courtyard in the first floor

Quick answer：

Sunken courtyards are a type of architectural design where a courtyard is partially or fully below the ground level. They are often found in traditional Asian architecture, particularly in Japan and China. These courtyards provide privacy, cooling, and a serene environment. To find a picture of a sunken courtyard in the first floor, you can search for 'sunken courtyard design photos' or 'first floor sunken courtyard examples' online.