Haneda Airport has been named the world's cleanest airport 4 years in a row. 49-year-old cleaner Haruko Niitsu played a key role in winning that title. After her appearance in this series 4 years ago in 2015, she was flooded by media requests from around the world, and is even featured in a textbook on morals! Niitsu has branched out beyond the airport to improve her skills and is now carving a new path for herself. We follow her as she continues to hone her techniques.
Episode Discussion
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