Ningaloo Reef in Western Australia is the largest fringing reef in the world and the only reef system on the western side of a continent. The coral emerges from the deep blue up to the oceans surface. Inside the reef are pristine lagoons with coral and abundant marine life, easily accessible of the beach with a few metres swimming. For those familiar with Ningaloo Reef – you can see turquoise bay at the far left of the image.
Grüner See (Green Lake) is a lake in Styria, Austria. The lake is surrounded by mountains and forests. The lake is popular among divers who can observe the green meadows in the edge zone of the lake particularly in June when the water is at its highest. A bridge and a bench can also be found underwater.