Harry Potter and two other young adventurers are out on a rowing excursion on a peaceful lake. All three have taken to their oars, with Harry at the helm, guiding the little vessel across the tranquil waters. The sun is shining bright, casting shimmering reflections on the quiet surface, while birds fly above singing in flight. To bring this image to life and really capture this moment on the lake, use a light blue and green colour scheme to represent the tranquil waters, a pop of yellow for the beaming sunlight, and a hint of red and brown to represent the wooden boat and the adventurers in it.