Lagos has always built its future on bold defiance. Where others saw swamps and restless tides, it saw land waiting to be shaped. For decades, that gamble paid off. The city grew into Nigeria’s commercial core, its financial capital and its most intense incubator of enterprise, culture and ambition. But the same geography that enabled Lagos to rise now threatens to undermine it. The Atlantic is no longer a distant horizon. It is encroaching quietly and steadily and with a force that modern engineering can slow but not permanently repel.