Turkey sits at the intersection of continents, trade routes, and empires, making it less a single system and more a layered convergence of systems that have evolved over centuries. In Istanbul, the physical geography alone—split by the Bosphorus—creates a natural bridge between Europe and Asia, turning the city into a live operating system for movement, exchange, and cultural overlap. Infrastructure like the Marmaray rail tunnel and the Port of Haydarpaşa reinforces this rol