Has he gone bananas? A banana, arranged by the artist Maurizio Cattelan, has sold for a huge sum. Some think the art world has gone crazy.
Crypto boss buys a banana for £5m

Glossary
Auction - When an item is sold to the person that bids the most money for it. Auctions can take place in person or online.
Cryptocurrency - A digital currency in which transactions are verified and records maintained by a decentralised system using cryptography, rather than by a centralised authority.
Mona Lisa - Also known as the Giaconda, a portrait by the Italian artist Leonardo da Vinci. It became one of the world’s most famous paintings after a successful robbery in 1911.
Ridiculous - Silly or absurd.
Claude Monet - A French painter and co-founder of the Impressionist movement. From 1883, he largely painted his garden.
Vincent van Gogh - A Dutch artist who painted The Starry Night in 1889 while staying in a French mental asylum after suffering a breakdown. He died by suicide the following year.