Floor plan of a double-decker下沉 courtyard

Quick answer：

A floor plan of a double-decker sinking courtyard typically refers to an architectural layout featuring a courtyard that is lower than the surrounding ground level. This design can provide privacy, enhance the aesthetic appeal, and create a unique spatial experience within the building. The floor plan would show the arrangement of rooms, doors, windows, and other architectural elements in relation to the下沉 courtyard.