translation.en: But then, if we shift the dial 200, 500 years back, then we get to the places where the corals are absolutely healthy and gorgeous, forming spectacular structures, and where the predators are the most conspicuous thing, where you see between 25 and 50 sharks per dive.
translation.zh: 不过，如果我们回到 200或500年前 那我们就会看见 极其健康而美丽的珊瑚 形成了壮观的建筑 食肉动物 是这里最显眼的东西 每次在这里潜水都能看到25到50只鲨鱼