Amazon's Jeff Bezos: The richest person in the world

As 2020 ended, Jeff Bezos's wealth was estimated to be more than $185bn (£135bn), after he made tens of billions during the Covid-19 pandemic.

The Amazon boss even has plans to take the human race into space.

The BBC's James Wignall takes a look at a few things you need to know about the wealthiest person in the world.