Ocean coral is fading
本文作者： 21ST
THIRTY years ago, if you looked down from a plane at the east coast of Australia, you would be greeted by the breathtaking beauty of the Great Barrier Reef (大堡礁), the world’s largest coral (珊瑚) reef. It stretched for over 2,600 kilometers in the blue sea, containing countless corals and small islands. It was listed as a UNESCO world heritage site in 1981. |  |
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