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When siblings Koh Niann Tsyr, 16, and Koh Tze Wang, 14, say they are "flying together", they don't mean that they are going on a family holiday – they are actually building and operating their own flying machines!
In the aftermath of a hurricane, people are trapped along a devastated highway. Help comes in the form of a flying machine, and it works quickly to locate and evacuate casualties.
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