Chinese fragrance brand To Summer (观夏) has released “Yunnan Fermentation Notes” (云南发酵手记), its annual publication, extending its study of Yunnan’s heritage from tea to fermentation. Part of its Nosepaper series, the book draws on six months of field research in Dehong, Qujing, and other regions, featuring more than 2,000 photographs, a regional fermentation flavor map, and home recipes. From October 31 to November 20, it will be available free by reservation at To Summer’s Shanghai and Beijing stores, which will host a fermentation tea house experience. The brand has also partnered with fermentation businesses in Beijing, Shanghai, and Guangzhou. The project follows earlier work on Yunnan’s Jingmai Mountain (景迈山) and its tea.

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