The document contains descriptions of 10 black and white or color photographs taken by Kaiya Hietikko in 2013. Each photo is described as displaying a different design principle: proportion, pattern, emphasis, harmony, emphasis, bilateral symmetry, bilateral symmetry, movement, radial symmetry, and variety. The photos include subjects such as a church, flower, cat silhouette, group of people, ant, leaves, shoes, splashing water, horseshoe, and tree leaves.