How do you scrap an old Boeing 747 aeroplane?
15 July 2012 Last updated at 05:15 BST
Tom Wrigglesworth and Rob Bell visit the UK's largest plane salvage centre in the Cotswolds, to discover what happens to a Boeing 747 when it reaches the end of its working life.
They see how valuable parts are stripped for resale before the carcass is torn apart, to be recycled into bicycle frames and fizzy drink cans.
Find out more in Engineering Giants: Jumbo Jet Strip-Down on Sunday 15 July at 20:00 BST on BBC Two.