文字稿:

The ancient Afghan art of silk making.

The craft has been handed down through generations but is now under threat.

Demand for the delicate material has been falling for decades. Undercut by cheap imports, it's too expensive for ordinary Afghans. And the tourists haven't returned since the bloody civil war.

Silk producers want investment and regulations to cut smuggling, which they say is ruining the industry.

Vocabulary 词汇:

silk 丝绸

handed down 把…传给后代

under threat 受到威胁

undercut 削价，压低价格

smuggling 走私