"In this tutorial, we will demonstrate how to add a dramatic rain effect to a photo in Photoshop. While rain effects are not new to Photoshop, we will go a step further and show how to make the image more photorealistic by adding reflections and small puddles."
To add a bit of dramatic flare, rain can set a romantic setting or in this case, a photo of a man and his son walking. Could become a timeless classic.