This part of Maceio, the capital of Brazil’s northeastern Alagoas state, used to buzz with the sounds of cars, commerce and children playing. It went silent as residents evacuated en masse, eager to escape the looming destruction of their homes, which were cracking and crumbling. Beneath their floors, the subsurface was riddled with dozens of cavities: the legacy of four decades of rock salt mining in five urban neighborhoods.
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Urban mining transforms Brazil neighborhoods into ghost town
