In 2011, five cities located in Rio’s mountainous region were hit by a heavy storm that left 918 dead. Photo: Marino Azevedo / Rio de Janeiro State Government

In 2011, five cities located in Rio’s mountainous region were hit by a heavy storm that left 918 dead. Photo: Marino Azevedo / Rio de Janeiro State Government

In 2011, five cities located in Rio’s mountainous region were hit by a heavy storm that left 918 dead. Photo: Marino Azevedo / Rio de Janeiro State Government

In 2011, five cities located in Rio’s mountainous region were hit by a heavy storm that left 918 dead. Photo: Marino Azevedo / Rio de Janeiro State Government