First floor sinking courtyard illustration

Quick answer：

The 'first floor sinking courtyard illustration' typically refers to a visual representation of a courtyard that is designed to appear as if it is sinking or lowering, possibly for aesthetic or functional reasons. This kind of illustration would often be used in architectural or design projects to convey the appearance of the space to stakeholders or clients. It involves rendering the scene in a way that emphasizes the visual impact of the sinking feature, which might include shadows, perspective effects, and other design elements to make the sinking appear more dramatic and realistic.