Natural下沉式庭院 diagram

Quick answer：

A natural sunken courtyard diagram typically showcases a garden or courtyard that is lower in elevation than its surrounding area. This design feature is often used to create a sense of privacy and to take advantage of natural light and ventilation. It may include elements such as stepped terraces, water features, and vegetation. The diagram would illustrate the layout, dimensions, and architectural details of the sunken courtyard.