在昆士兰的凯普尔岛，蓝色和绿色的盘状珊瑚覆盖着珊瑚礁，形成之间长有藻类的斑块。

orals in shades of blue and green cover the reef at Keppel Island, Queensland, with patches of algae growing between formations. The scene highlights the balance of coral structure and algal presence in the marine ecosystem.