"Boto Cor-de-Rosa" (Pink River Dolphins) swim in the Negro River in Novo Airao city, northern Brazil July 26, 2010. Physiotherapist Igor Simoes created Bototerapia (pink dolphin therapy), which involves swimming with the "Boto Cor-de-Rosa" in the belief that the ultrasonic waves emitted by these dolphins will help cure a range of health problems. Picture taken July 26, 2010.[Xinhua/Reuters]
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