Prince Harry in cold chamber ahead of South Pole trip
17 September 2013 Last updated at 18:53 BST
Prince Harry has spent the night in a giant freezer that simulates the conditions he will face when he treks to the South Pole later this year.
The Prince, who will undertake the challenge for the Walking With The Wounded charity, was subjected to temperatures of -35C in the cold chamber in Warwickshire.
Liz Copper reports.