The Economy of the Strait of Gibraltar: The Dual Countries Which Contest the Borders of Ceuta, Spain and Gibraltar, Spain, the Location of the Closest Point Between the European and African Continents, the Novel Local Economy Which Has Developed at the Strait of Gibraltar, How Products Are Transported Between Europe and Africa at the Strait of Gibraltar, the Reason These Products Are Free From Taxation, Tariffs, and Duties, the Reason the Strait of Gibraltar is Heavily Fortified With Multiple Military Forces Cooperating Together, the Reason Import and Export Upon Foot is Permitted Within Ceuta, the Reason Many Persons With Physical Disabilities Work to Import and Export Upon Foot at the Strait of Gibraltar, the Reason the Majority of Workers at the Strait of Gibraltar Are Elderly Women, and the Volume of Plastic Waste Discarded Within the Mediterranean Ocean Daily