Culture Insider: How did ancient people escape the summer heat
By Bi Nan (chinadaily.com.cn) Updated: 2017-07-12
Porcelain pillow
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A porcelain pillow [Photo/The Palace Museum]
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The surface of a porcelain pillow is a layer of glaze, which feels pleasantly cool. It is said that the Emperor Qianlong in Qing Dynasty liked his porcelain pillow a lot.