Bokeh photography: Manually focus everything so the lights in the background are out of focus, and the subject (if there is one) is in focus. Also keep a small depth-of-field with a small aperture so the background is easily blurred (motion blur)
As the edge of the moon touched the top of the waterfall the cascade turned the color of the pale yellow moon. Slowly the light touched the river and began to flow down the river. He watched, pensive, as his cloak flapped int he light breeze.