Tangier and supplied the introduction). Tennessee Williams described it as "a true document of human desperation, shattering in its impact." Independently, William S. Burroughs lived in Tangier for four years and wrote "Naked Lunch", whose locale of Interzone is an allusion to the city. After several years of gradual disentanglement from Spanish and French colonial control, Morocco reintegrated the city of Tangier at the signing of the Tangier Protocol on 29 October 1956. Tangier remains a very popular tourist destination for cruise ships and day visitors from Spain and Gibraltar. Most of the inhabitants of Tangier speak Darija (Maghrebi Arabic), mainly
Casablanca–Tangier high-speed rail line train that operated to Rabat, with revenue service planned to begin by the end of the year.<ref name="rg 11/18"></ref> King Mohammed VI named the high-speed service Al Boraq, in reference to the mythical creature that transported the Islamic prophets. The line is constructed in two sections—a new route from Tangier to Kenitra and an upgrade of the existing route from Kenitra to Casablanca. The Tangier–Kenitra line has a top speed of , while the Kenitra–Casablanca line was rated for when service began, with a planned upgrade to . The trackage from Kenitra to Casablanca is planned to be eventually replaced