Introducing wide-scale refrigeration to a nation’s food system brings about massive changes. Podcaster and journalist Nicola Twilley was able to witness those changes in real-time during a visit to China, where the amount of refrigerated space has grown more than 20x in the past ten years.

This highlight comes from Twilley’s 02018 talk at The Interval at Long Now, “Exploring the Artificial Cryosphere.” You can watch the full talk here.