Atoll remains of an ancient atoll as a hill in a limestone area is called a reef knoll. The second largest atoll by dry land area is Aldabra with 155 km². The largest atoll in terms of island numbers is Huvadhu Atoll in the south of the Maldives with 255 islands. In 1842, Charles Darwin explained the creation of coral atolls in the southern Pacific Ocean based upon observations made during a five-year voyage aboard from 1831 to 1836. Accepted as basically correct, his explanation involved considering that several tropical island types—from high volcanic island, through barrier reef island, to atoll—represented
Laamu Atoll room in the Malé Museum, but many they are not properly labelled, so it is not easy to know where they come from. A Buddha head found by H.C.P. Bell during his excavations in this atoll has disappeared, but the picture taken by Bell can be seen in his Monograph. Scenes from the 2016 film "Rogue One" were filmed here, specifically the scenes on the planet Scarif, which is portrayed as a tropical planet. Laamu Atoll Laamu Atoll (also known as Haddhunmathi Atoll) is an administrative division of the Maldives. It corresponds to the natural atoll of the same name.