Costumed patients from the Nise da Silveira Mental Health Institute wait for the start of their Carnival parade, coined in Portuguese: "Loucura Suburbana," or Suburban Madness, in the streets of Rio de Janeiro, Brazil, Thursday, Feb. 23, 2017. Patients, their relatives and institute workers held their parade one day before the official start of Carnival. (AP Photo/Silvia Izquierdo)
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