On many Japanese toilets, the hand wash sink is attached so that you can wash your hands and reuse the water for the next flush. Japan saves millions of liters of water every year doing this. https://t.co/OBHAx7EyQn
— Fascinating (@fasc1nate) Feb 28, 2023
via Twitter https://twitter.com/fasc1nate
February 28, 2023 at 08:11PM
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