With a depth of 2,900 meters, the Red Sea is looked upon as one of the most diverse habitats on the planet. Join John Stoneman on an expedition to Egypt's Ras Mohamed and explore one of the world's most beautiful reefs. With more than 25% of marine species dependent on the reef for survival, preservation is essential. In this captivating footage, glimpse the beauty and complexities of the reef, and discover how human contact, diving, and over-fishing are affecting its survival.