London before London explores the rich lives of the people living in the Lower Thames Valley from around 450,000 BC until the creation of the Roman city of Londinium around AD 50.

London’s prehistoric landscape was similar to today's central African plains. 125,000 years ago hippos lived in Trafalgar Square!

Flint tools are the longest used technology in the world. In the London area it was used for around 450,000 years before metal was discovered.

10,000 years ago, London's population could have fit on board a doubledecker bus!

During the Mesolithic period, from 9600 – 4000 BC, the area that is now London probably had between 16 and 30 inhabitants.