The Red Sea has long been crucial to the way of life in Saudi’s coastal communities. And it’s easy to see why: Its unique conditions — exceptionally warm, salty and sheltered from outside aquatic influence — have made it a rare oasis for dazzling reefs teeming with biodiversity. Popularized, in part, by French explorer Jacques Cousteau in the 1960s, it’s no wonder that the ancient maritime trade route called the Mare Makkah