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nightingale floors

WTF Fun Fact – Nightingale Floor

March 16, 2020
WTF Fun Fact - Nightingale FLoors

The builders of Japan’s Nijo castle created purposefully squeaky floors, known as nightingale floors, to prevent ninja assassins from sneaking in. The floors were designed so that just the lightest step produced a clearly audible sound warning guards. – WTF Fun Facts

Source:
https://www.amusingplanet.com/2018/04/nightingale-floor-ancient-japanese.html

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