landscape hand-drawn color flat effect

Quick answer：

Landscape hand-drawn color flat effect refers to a technique used in architectural and design presentations. It involves creating a two-dimensional drawing of a landscape with color, giving it a flat, realistic look. This method is commonly used to showcase the appearance of a site or a design project before construction. It combines the artistry of hand-drawn illustration with the clarity of a flat, color rendering, making it an effective communication tool for architects, landscape architects, and designers.