If you haven't seen Freddie Flintoff's daredevil Metro bungee jump, then head to BBC iPlayer to watch it now: https://www.bbc.co.uk/iplayer/episode/m000dt99/top-gear-series-28-episode-1 But if you have, here's a behind-the-scenes gander at the engineering and planning that went into flinging Fred off a 540ft dam. Subscribe to Top Gear for more videos: http://bit.ly/SubscribeToTopGear WATCH MORE TOP GEAR:

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