Saffron (trade) by far the world's most important producer: in 2005 it grossed some of dry threads, or 93.7 percent of the year's global total mass; much of the Iranian crop was bound for export. Northeasterly Khorasan Province, which in 2004 was divided in three, grows 95 percent of Iranian saffron: the hinterlands of Birjand, Ghayen, Ferdows in South Khorasan Province, along with areas abutting Gonabad and Torbat-e Heydarieh in Razavi Khorasan Province, are its key cropping areas. During 2004, Iran was not a member of the World Trade Organization. and still until November 2009, Iran was again not a member of
Saffron Hill very narrow and muddy, and the air was impregnated with filthy odours". Saffron Hill is mentioned in the Arthur Conan Doyle Sherlock Holmes story "The Adventure of the Six Napoleons", as the Italian Quarter where the Venucci family can be found. Saffron Hill formed part of the liberty of Saffron Hill, Hatton Garden, Ely Rents and Ely Place which became part of the County of London in 1889. It was abolished in 1900 and formed part of the Metropolitan Borough of Holborn until 1965. Saffron Hill has become more residential in recent years with the building of several blocks of