The charity SARAID (Search And Rescue Assistance In Disasters) has been holding a training exercise for their volunteers at a disused hospital near Bristol.
Volunteers were shown how to rescue victims of collapsed buildings at the former Barrow Hospital.
SARAID have helped save hundreds of lives following disasters - most recenttly the Port Au Prince Earthquake in Haiti.
More top news
Alex Sims, 10, has a rare auto immune disease and without a transplant he will die.
Dante Bowlin was last seen in the Matson area of Gloucester two days ago.
Residents living within 100m of Reeco Fernandez's property were advised to leave their homes and had to stay away for five days.