Design of sunken courtyard on the first floor

Quick answer：

Sunken courtyard design on the first floor refers to the arrangement of a courtyard below ground level in the architectural design of a building. This design feature can provide privacy, enhance the visual appeal, and create a unique indoor-outdoor living space. It often involves considerations of structural stability, waterproofing, and ventilation. To achieve an aesthetically pleasing and functional sunken courtyard, architects and designers must carefully plan the layout, materials, and lighting to ensure a harmonious integration with the rest of the building.