1) Bats are the only mammals capable of sustained flight.

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 oldest known musical instrument is a flute made from a bird bone, estimated to be around 43,000 years old.