366 Days of 2012, Day 172 – Reef Twilight June 20, 2012 by Robert Twilight reflections on the ocean go hand in hand with amazing Great Barrier Reef sunsets. A dappled beautiful sea beckons more fantastic diving ahead. Photo: Robert Rath, ‘366 Days of 2012, Day 172 – Reef Twilight’. 1/8000s at f/5.6 ISO-800 290mm