1 of 7 Fire crews and paramedics were called in on Thursday to rescue a workman who had fallen down a shaft inside the Second Severn Crossing
2 of 7 The man, aged 60, was seriously hurt when he fell 18-20ft from a ladder, becoming trapped in one of the bridge's concrete supports
3 of 7 To get to him, paramedics had to take a lift 80ft down inside the structure, before walking half a mile along a catwalk 150ft above the waters of the Severn Estuary. Lifeboats were on standby nearby, just in case
4 of 7 Several paramedics then had to climb down into the enclosed area where the man had fallen
5 of 7 He had suffered head and back injuries, and a dislocated fracture of the ankle which had to be reset before he could be moved
6 of 7 Once this was done, the patient was strapped to a harness and lifted vertically back up the shaft he had fallen down
7 of 7 Finally, he was carried back along the catwalk and taken to Frenchay Hospital in Bristol for treatment. Pictures from Avon Ambulance Service