Lumiere Festival brings 3D whale to Durham
13 November 2015 Last updated at 07:30 GMT
A spectacular light show has brought a 3D whale and a giant worm to the city of Durham.
The fourth Lumiere Festival showcases light installations from artists all over the world and organisers are expecting record visitors.
For the first time the event will also be travelling to London.
Fiona Trott reports.