1) A group of flamingos is called a "flamboyance."

2) Cyclones play a vital role in Earth's climate system by redistributing heat and moisture, maintaining global temperature patterns, and influencing weather patterns.

3) The Cannes Film Festival, held annually in France, is one of the most prestigious film festivals in the world.

4) The Appalachian Mountains, running along the eastern coast of the United States, are one of the oldest mountain ranges in the world.