FEZ, MOROCCO - APRIL 17: Circular shaped large stone wells are seen on a large area where the coloring process of the leathers take place at the Shuvwara Tannery in Fez, Morocco on April 17, 2024. Shuvwara Tannery is considered to be the oldest tannery on the Arab geography and has been operating since the 11th century. The colored leathers are produced with natural methods for hundreds of years and still continue to be a source of livelihood for thousands of Moroccan citizens. Nurettin Boydak / Anadolu/ABACAPRESS.COM