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China's economic miracle is under threat from a slowing economy and a dwindling labour force. The FT investigates how the world's most populous country has reached a critical new chapter in its history. Jamil Anderlini narrates. Read: 'China anti-corruption campaign backfires' at http://on.ft.com/2dWmpdC

Filming and aerial photography by Max Duncan. Assistant producer: Christian Shepherd. Video editing by Richard Topping. Colour grading by Rory Cantwell. Graphics by Russell Birkett. Translations by Lucy Ren and Suong Mai. Produced and edited by Ben Marino

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