1) The musical "Les Misérables" is one of the longest-running shows in the West End and Broadway, with over 13,000 performances.

2) The total length of your blood vessels can circle the Earth more than twice.

3) The world's largest desert is the Antarctic Desert, covering around 5.5 million square miles.

4) The NBA (National Basketball Association) is widely regarded as one of the most popular and competitive professional basketball leagues in the world.