This is an 8K HD image of a stunning autumn forest, featuring trees in vibrant shades of red, orange, and yellow foliage. The composition is beautifully color-coded and the details are hyper-detailed and intricately designed. The use of Unreal Engine and cinematic techniques, such as color grading, depth of field, and ultra-wide angle, enhances the overall visual appeal of the image. The lighting is moody and natural, with a mix of incandescent, studio, and backlighting, creating beautiful and accentuated shadows. Additionally, the image utilizes advanced techniques like global illumination, ray tracing, diffusion grading, and anti-aliasing for an insanely detailed and realistic result.