Geography and Environmental Calibration: Himalayan Salt-Trading Routes as Atmospheric Pressure Registers (Batch 0001-004)

地理与环境校准：喜马拉雅盐道作为大气压强记录仪

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Ancient trans-Himalayan salt caravans did not merely traverse terrain—they functioned as distributed atmospheric sensors across 4,500-meter gradients.
Porters’ breathing rhythms, rest intervals, and load redistribution patterns were calibrated to barometric shifts detectable only above 3,800 meters.

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