Nestled in the mountains of Gunma, Arafune Cold Storage utilized subterranean chilled breezes to create a revolutionary natural refrigerator in the early 1900s. By keeping silkworm eggs dormant, this innovative site enabled multiple harvests a year and propelled Japan to the forefront of global silk production. Today, visitors can explore the stone foundations and feel the remarkably cool drafts emanating from the earth. Designated as a UNESCO World Heritage Site alongside the Tomioka Silk Mill, it stands as an inspiring testament to industrial ingenuity harmonizing with nature.
- UNESCO World Heritage
- Historical Site
- Industrial Heritage
- Caves & Geology
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