Sketchbook / Illustration / Illustrated Cities: Prague A collection of rich, colorful, and iconic illustrations of popular destination cities. Each is simply representative of its subject, and serves as a perfect introduction to the city depicted.
Spiral Pattern in Pine Cone Pine cones are a classic example of the logarithmic or equiangular spiral in nature. This is from a Short-leaf pine. These spirals form from processes where there is turning at a constant angle but accelerating growth.