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Nat Geo - Big Bigger Biggest Collection 1 (2009-2012) Part 6 Airport
Big Bigger Biggest Collection 1
Look at engineering leaps that have helped different types of structures go from big to bigger to biggest.
Part 6 Airport
With Terminal 5, over 100 million people will travel through Heathrow Airport. T5 can handle 4,000 bags per hour and is equipped to detect explosive traces.
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