This is a pee-pee boy, and it’s used by tea enthusiasts to test whether water is hot enough to brew tea. Some say it’s the oldest thermometer in the world. But how does it work? We look at the science behind it.
If you liked this video, we have more videos about Chinese craftsmen and Yixing, China’s pottery capital.
How the Masters Make A Classic Yixing Teapot http://www.dailymotion.com/video/x7d28va
The Men Who Make 6-Foot Pots https://www.dailymotion.com/video/x7u4hiw
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Producer: Jessica Novia Videographers: Shen Xinzhuo and Hanley Chu Editor: Joel Roche Mastering: Victor Peña
