The Great Mosque of Djenné in Mali is the largest mud-brick building in the world — and is replastered annually.

Usain Bolt holds the world record in the 100-meter sprint.

Shakespeare invented over 1,700 words still used today, including 'bedroom,' 'lonely,' 'generous,' and 'obscene.'

Wealth inequality exists in nearly every country.

Poverty traps occur when poverty itself prevents people from acquiring the resources to escape it.

About 60% of people live paycheck to paycheck.

Bach wrote over 1,000 compositions during his lifetime — many were only rediscovered and published after his death.

The Tour de France has 21 stages over 23 days, covering around 3,500 km of some of Europe's most challenging terrain.

Philip Glass and Steve Reich pioneered minimalism — music based on repetitive patterns with gradual change.