From our archives
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If you've ever wondered just how an air traffic control tower is built then our time lapse footage of the construction of Manchester's ATC tower will show you.

The new tower at Manchester Airport had 1,500 tonnes of concrete poured in just nine days as it sprang up from nothing to its full height.

The "cab" that forms the Visual Control Room sitting on top of the stalk was constructed on the ground next to it before Europe's biggest mobile crane had to be brought in to lift it delicately into place on the top of the tower.

Take a look at the nine day construction process in our two minute time lapse video.