Lagoons are shallow bodies of water that gets separated from larger water bodies due to the formation of reefs or barrier islands. Atoll lagoons form as coral reefs grow upwards while the islands that the reefs surround subside, until eventually only the reefs remain above sea level.
From Wikipedia, the free encyclopedia. John Knoll (born October 6, 1962) is an American visual effects supervisor and chief creative officer (CCO) at Industrial Light & Magic (ILM).
About John Walsh. John Walsh is known internationally as a crime fighter, victimsâ advocate and host of âAmerica's Most Wanted,â the reality program that helped law enforcement capture more than 1,200 fugitives and brought home more than 50 missing children.