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  • 世上無難事 HOW HARD CAN IT BE?

  • 影片

    • Lift off! 節目

      Lift off!

      It's not a bird, it's not a plane. It's a house, and it's flying across the sky.

      (00:59)
    • An engineer's dream job 節目

      An engineer's dream job

      Meet an engineer who set up an experiment to find out how many balloons it takes to lift a house.

      (01:09)