13. Saffron.
For generations, people have used the dried stigmas of this flowering plant as food colouring and spice. Saffron is also used in medicine. This material costs more than eleven dollars per gramme, or fifty thousand dollars per pound.
For generations, people have used the dried stigmas of this flowering plant as food colouring and spice. Saffron is also used in medicine. This material costs more than eleven dollars per gramme, or fifty thousand dollars per pound.
zi ang