After 13 days, the plume of dust passed back over the Taklamakan desert, having completed a full circuit of the globe.
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丝绸之路其实有数条支线,它们分别沿着环境恶劣、不适合人类居住的塔克拉玛干沙漠外缘,穿越不同的绿洲。
Skirting the edges of the harsh and inhospitable Taklimakan desert, the Silk Road actually had several different branches, each passing through different oases.
Dust from the Gobi and Taklimakan deserts is often present over the western United States in the spring and can lead to disastrous air quality in Korean, Japanese and Russian cities.