Fungus affects all: health and wealth

In Tang dynasty, documents recorded stopping in tropical ports to wait season wind for some months. It should be often that mould disaster happened to silk at that time.

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Why did the desert route survive after the indirect sea route began to transfer parcels to the West?

Doctor of Science: Torao Ohtsuki talked "When exporting silk thread to Europe, we struggled mould disaster. Now, we carefully prevent it. To shut off from humidity, we seal silk threads in metal boxes and ship. Without sealing, mould eat silk in the Indian Ocean. ". I think this should be the reason to support the desert route. In desert, mould can't grow. In Astana and Tunghuan, many beautiful silk fragments were unearthed with incredible condition. I show a pair of silk brocade shoes unearthed in Astana