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World's tallest free-standing broadcast tower completed in Japan

2 March 2012 Last updated at 15:54 GMT

A massive tower called the Tokyo Sky Tree has been completed ahead of schedule in Japan.

Standing 634m (2,080ft) high, it is the world's tallest free-standing broadcast tower - and the second tallest building in the world after the Burj Khalifa in Dubai.

Marek Pruszewicz reports.