A pair of divers explore the wreck of the Giannis D (originally Shoyo Maru) on the Abu Nuhas reef, Strait of Gubal, Red Sea, Egypt. By British photographer Alex Mustard. He's travelled the world snapping pictures of wrecked ships lying on the sea bed.
Extreme ~ Great white sharks are like the grizzly bears of the sea. What may start as a peaceful and beautiful encounter can go completely south in a split second. Wild animals must ALWAYS be treated with respect and caution.
The Great Barrier Reef we stand to lose – in pictures