WILL NICHOLLS, PETAPIXEL:
There are a huge number of different rules and compositional guides you can adhere to, but one lesser-known rule is the “Rule of Odds.”
This suggests using an odd number of objects in your foreground, as the eye tends to find itself being drawn to the middle one. This means that you can use objects as stepping stones, drawing the eye into the image.
Learn more, from here.