i need you to enhance this sketchup architectural visualization rendered in vray 5 with the following specifications preserve the design integrity maintain all existing colors textures and forms as they appear in the current render including the irregular mosaic flower patterns integrated into the pool basin design advanced lighting enhancements implement realistic hdri daylight with natural sun positioning add a subtle sun lens flare glare effect pointing toward the camera soft sun reflection on the water surface enhance specular highlights on the water surface with proper fresnel reflections improve the overall illumination to achieve photorealistic quality with accurate shadow definition material and rendering quality enable vray caustics with appropriate displacement mapping optimize render settings for photorealism while maintaining the architectural clarity enhance all surface materials concrete tiles plants and furniture with realistic light interaction output a photorealistic architectural visualization that showcases the pool design s elegance while maintaining the original aesthetic vision key technical terms included caustics vraydisplacement refraction index fresnel reflection hdri lighting lens flare sun glare photorealistic rendering