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
Shaviyani Atoll are the Shaviyani Atoll Education Centre in Komandoo, Atoll School in Kanditheemu, Funadhoo School and Milandhoo School. Some of the School introduce TVET programs to the students. Most schools have computer labs funded jointly by parents, government and the Shaviyani Atoll Development Project. Shaviyani Atoll Shaviyani Atoll, which is known by its abbreviated name, (also known as Northern Miladhunmadulu Atoll or Miladhunmadulu Uthuruburi), is an Administrative division of the Maldives. It corresponds to the northern section of the natural Miladhunmadulu Atoll, located in the north of the Maldives. On 26 October 2009, the government decided to move the capital of