A NeoPigma impressionistic painting of a deep canyon with towering rock walls. The scene is bathed in warm, golden light, suggesting either sunrise or sunset. The canyon walls are a mix of rich red, orange, and brown hues, indicating the presence of sedimentary rock formations. The rock layers are meticulously textured, showing striations and erosion patterns. The canyon floor is narrow, with a clear, calm river flowing through its center, reflecting the sunlight and creating a shimmering effect. Small patches of green vegetation can be seen along the riverbanks, adding a touch of color contrast to the predominantly earthy tones of the canyon. The sky above is a gradient of blues and whites, with fluffy, cumulus clouds scattered across it, casting soft shadows on the canyon walls. The overall mood is serene and majestic, capturing the grandeur of nature in a visually stunning manner. The painting captures a moment of tranquility in the midst of a vast, rugged landscape using broad and thick brushstrokes.