Silky water is not gentle at all. It is the blur created when exposure time stretches long enough that individual ripples average into a smooth band, while the static rock stays sharp, turning a violent flow into a gauzy smear on the sensor.
More radical is what the glowing peaks claim. Their warm blush is not some soft emotion but selective Rayleigh scattering and Mie scattering in action, as shorter wavelengths scatter out of the direct line of sight and longer ones survive, so granite that reflects mostly neutral light suddenly throws back saturated reds and oranges that never live in the stone itself.
Dark valleys lie about permanence as well. Their carved silhouettes are real-time records of hydraulic erosion and abrasion, where suspended sediment behaves like liquid sandpaper and differential weathering cuts steep walls that a long exposure then deepens into near-black shapes, editing both geometry and perceived color before the viewer even suspects an experiment is running.