Ron Walker, Floating boat (September theme: Water)

Why is the Adriatic Sea so clear? The Adriatic is part of the Mediterranean Sea which is considered by oceanographers to be a marine version of a desert. Micro-organism concentration in Mediterranean waters are relatively low allowing sunlight to penetrate better.

Images have been resized for web display, which may cause some loss of image quality. Note: Original high-resolution images are used for judging.