The math concept hidden in this tree art — geometric shapes known as fractals — is apparent in branching patterns in nature and may be key to humans’ ability to recognize such artwork as ...

In the meantime, Temple's art students are designing the cover and images to guide the provides instructions for caring for the tree. Van Aken will choose one design for the final version.

But adding a tree or two can add a focal point to the scene and add a compositional balance and context to your photos. The latest photo challenge subject tasked readers to look creatively at trees.