Ultra-realistic 3D architectural design, a luxury villa in the shape of a giant turtle, inspired by the ancient civilization of El Salvador, iconic design in Zaha Hadid's distinctive architectural style, dynamic flowing curves, natural rough volcanic stone building materials, incorporating authentic Salvadoran tropical plants and trees into the villa structure, bright natural sunlight, golden hour, realistic shadows, fine details of stone and plant textures, the villa surroundings are dense green Salvadoran nature, towering palm trees, wild flowering plants, the villa design is non-cubic, various innovative facades reflect the concept of the turtle shape, the villa appearance is realistic and feasible, looks inhabited by life, 8K output quality, no distortion, no exaggerated digital enhancement, looks like a real professionally photographed architectural model, avoid excessive analogue, natural visual balance, majestic mood, unique, in harmony with nature.