Sketch-style river valley with high peaks and colorful autumn foliage

an artistic drawing of a river valley beneath high mountain peaks. the mountains are rendered in a light grey and black sketch style with snow details. below, a reflective river winds through the scene. on the left, dark evergreens rise above yellow and orange shrubs. on the right, a birch tree stands beside bright pink, orange, and yellow bushes. smooth river rocks and sketch lines of grass occupy the immediate foreground.