Things That Made the Modern Economy - Series 1 - S-Bend - 大象传媒 Sounds
Things That Made the Modern Economy - Series 1 - S-Bend - 大象传媒 Sounds
Series 1Series 1
S-Bend
Released On: 12 Oct 2017
Available for over a year
The S-bend was a pipe with a curve in it, an invention that led to public sanitation.
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