Economy of Iran spices including cumin and sumac. Iran is the world's largest producer of saffron, pistachios, honey, berberis and berries and the second largest date producer. Meat and dairy products include lamb, goat meat, beef, poultry, milk, eggs, butter, and cheese. Non-food products include wool, leather, and silk. Forestry products from the northern slopes of the Alborz Mountains are economically important. Tree-cutting is strictly controlled by the government, which also runs a reforestation program. Rivers drain into the Caspian Sea and are fished for salmon, carp, trout, pike, and sturgeon that produce caviar, of which Iran is the largest producer. Since the
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