Mapping London smells

A group of researchers are on a mission to find out, creating beautiful colour-coded maps showing the different smell trends in different parts of London.

The team collected data on when smells are mentioned on social media.

They then grouped similar smell words together to create categories including 'Waste', 'Food', 'Nature', and 'Industry', and have made colour coded street plans. The results reveal the smelliest - and most polluted - areas of London.

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