1) The Great Barrier Reef in Australia is the largest coral reef system in the world and is visible from space.

2) The International Cricket Council (ICC) is the governing body for the sport of cricket and oversees international tournaments and rankings.

3) The ancient city of Rome was founded in 753 BC and went on to become one of the most powerful and influential civilizations in history.

4) The Pacific Ocean is the largest ocean on Earth, covering more than 30% of the planet's surface.