Flora Montejo always dreamed of buying her own home. After almost three decades working as a nurse, the 68-year-old invested her retirement savings in a two-storey house in San Agustín, a working-class suburb of the Mexican resort town of Acapulco. Montejo’s retirement dream was shortlived. Not long after moving into her newly remodelled home, Hurricane John dumped record levels of rainfall on Acapulco, triggering landslides and flash floods after calm creeks turned into roaring rivers. In San Agustín, almost 50 homes along a tributary of La Sabana River collapsed after five consecutive days of nonstop rain broke the riverbank. Another