Our world is often composed of patterns. Think of the honeycomb created by bees or the simple patterns made with paving stones used around our homes. I love the interplay between the repeating pattern of paving stones soften by the organic green lines of moss. The bright green moss flourishes between the hard, concrete bricks.
Getting low and using the strong light of a late afternoon sun adds detail and contrast to the image. The golden patina added by the light of the setting sun helps to pull all the elements in the picture together