$17bn third runway for Hong Kong airport approved

20 March 2012 Last updated at 23:20 ET Help

Hong Kong's cabinet has approved a controversial project that is to become the city's most expensive ever. A third runway at Chek Lap Kok airport is expected to cost an estimated $17bn (£10.6bn) and take 10 years to build.

But there are serious concerns about the price and potential environmental damage, as the BBC's Juliana Liu reports from Hong Kong.

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