Design drawing of an indoor sunken courtyard

Quick answer：

An indoor sunken courtyard design typically involves creating a courtyard space below ground level within a building. This design often requires careful planning to ensure proper ventilation, lighting, and structural integrity. It may include features like skylights, ventilation systems, and landscaping to make the space functional and aesthetically pleasing. The design should consider factors like soil conditions, waterproofing, and the integration with the building's overall architecture.