What is this huge hole in a residential area? 286 km linear from the sky [Part 1]

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Even though the population once exceeded 200,000 people...the "ruining" of this huge industrial city was too dangerous.

livedoor ニュース

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Are "kids with clean notes" unable to study? "Smart people's notebooks are dirty" What we learned from looking into the hands of University of Tokyo students | Career/Education | Toyo Keizai Online

東洋経済

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livedoor ニュース

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Yahoo! ニュース

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