From Assamese muga silk to jasmine oil used in luxury perfumes and from aromatic sandalwood to real saffron that costs over $10,000 per kilogram, we traveled the length of the subcontinent to ...

and the final product can cost 10 times as much as regular silk. So just how is it made, and what makes it so expensive? Phan Thi Thuan's family have been making silk for generations, growing and ...