Creswell Crags is an enclosed limestone gorge located on the border between Derbyshire and Nottinghamshire, close to the villages of Creswell and Whitwell.
The cliffs in the ravine contain several caves that were occupied during the last ice age, between around 43,000 and 10,000 years ago.
Here are 18 photos from the site over the years – ranging from 2000-2011…
13. More from Sports Relief
Picture: Creswell Crags worker Anna Griffiths with an ancient woolly mammoth. Photo: Barrie Codling
14. Summer fun
Picture: from left is Ben Huskinson, Jake Smyth, and Bethany Huskinson, pictured with the skull of a hippopotamus and a rhino. Photo: Mark Fear
15. Stone carving
Creswell Crags, Creswell. Picture: Local sculptor Oliver Mellor - OM Stone Carving. Photo: Mark Fear
16. Excavations
Excavations at Creswell Crags Church Hole cave. Andrew is an archaeologist from the University of Sheffield with Rebecca Clay from Creswell Crags. Photo: Marisa Cashill