Use diagonal lines to add impact to your photos, it’s easy to do and can be very effective. They can also help to draw the eye through a photo.
It’s a simple compositional trick that can imply action, add depth to your photos by suggesting perspective, and add a dynamic look and feel.
Lines exist everywhere, in the form of walls, fences, roads, buildings and telephone wires, sometimes it's just a matter of changing the camera angle or lowering or raising the camera height. Here's an image that many people would have taken from a frontal viewpoint:-