mountain valley landscape 3d model

A realistic 3D environment highly realistic 3D landscape environment covering several kilometers, featuring natural terrain with rolling hills, rocky cliffs, grassy plains, and scattered trees. A flowing river winds through the valley with detailed water reflections and natural shoreline erosion. Dense forest areas blend into open meadows with wildflowers and natural vegetation variation. Real-world scale and proportions, accurate terrain elevation, physically correct lighting, soft daylight with natural shadows, atmospheric depth and distance fog, high-resolution textures (grass, rock, soil, bark), photorealistic rendering, cinematic wide-angle aerial view, environmental realism, 8K detail, ultra-detailed terrain mesh, natural color gradingnment of a modern skyscraper district located in a vast 5-kilometer-wide landscape. Ultra-detailed glass and steel skyscrapers with reflective windows, surrounded by smaller commercial buildings and wide streets. In the background, massive natural mountain ranges with snow