RICHARD BROOKS / SCIENCE PHOTO LIBRARY RICHARD BROOKS / SCIENCE PHOTO LIBRARY
Aerial drone footage of a flight around a small coral island in Palau. The island is made of limestone that originated from the skeletons made by stony corals. Accretion of sediment within the coral framework helps solidify the island, and provides anchorage for plants, which further stabilise it. In the wider view towards the end of the clip, the entire coral reef can be seen, bearing several small islands.
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