Good things come in threes. Bad things happen in threes. Three times lucky; three strikes, you’re out. You can’t win! One of the “rules” of photography is to use the “rule of thirds”, to divide your viewpoint into a grid of 3×3 and compose the photo that way. Three Musketeers. Huey, Dewy and Louie. Three coins in the fountain. The number three certainly seems prevalent in life. WordPress’s weekly challenge this week is Trio.