Video shows a lightbulb being changed - 400FT in the air on top of a cathedral spire.<br /><br />Gary Price climbed the outside of the UK's tallest church spire to change its lightbulbs.<br /><br />Clerk of Works at Salisbury Cathedral in Wiltshire, Gary ascended the 404ft spire to change the four aircraft warning lights after the six-year-old bulbs on the south side failed.<br /><br />After strapping into harnesses, Gary and helping hand Richard climbed 332 steps to the roof, before climbing a series of medieval ladders to reach the "weather door" - a small opening leading out to the dizzying drop.<br /><br />The final 30-ft stretch required Gary to climb on the outside of the spire, using metal rungs to reach the lightbulbs at the top of the structure.
