after the first stone retaining wall enhance the sense of depth and vertical relief so that it is clearly understood that the second stone retaining wall and its surrounding vegetation are located at a lower elevation on a separate terrace strengthen the perception of topography and perspective to clearly differentiate the upper and lower levels while maintaining a natural and realistic landscape transition improve the visual and material continuity in the background second plane further harmonize the integration of the stone walls soil and vegetation so that transitions appear smoother more cohesive and more naturally blended with the surrounding terrain ensure a consistent and realistic landscape design across all levels