"City Lights Reflection": Capture the silhouette of a couple, enveloped in the captivating reflection of city lights on a rainy night. Use a wide-angle lens, such as the Canon EF 16-35mm f/2.8L III, to encompass the sprawling cityscape and create stunning light reflections on the wet pavement. A fast shutter speed will freeze the raindrops, adding an artistic texture to the scene. For a 4K wallpaper, enhance the contrast and saturation to make the city lights pop against the dark, rainy backdrop, creating a mesmerizing urban atmosphere.