Residential sunken courtyard effect

Quick answer：

The sunken courtyard effect in residential architecture refers to the creation of a courtyard that is below the ground level of the surrounding buildings. This design element can enhance privacy, reduce noise pollution, and provide a tranquil space within an urban environment. It can also be used to integrate greenery, water features, or other landscaping elements. The effectiveness of this design depends on factors such as the layout, size, and accessibility of the courtyard.