Atolls are a specific type of islands, usually very flat, with a lagoon and reef-building corals. The lagoon/submerged parts is typically much larger than the dry land; there are also numerous reefs with minimal or no land at all. The corals grow only found in warm tropical waters. It may be possible to aid their growth along.
page revision: 3, last edited: 10 Apr 2008 21:32