In this February 11, 2105 photo, 72-year-old Aurea Murillo prepares to make a pass during a handball match among elderly Aymara indigenous women in El Alto, Bolivia. Dozens of traditional Aymara grandmothers ease many of the aches and pains of aging by practicing a sport that is decidedly untraditional in Bolivia: team handball. (Photo by Juan Karita/AP Photo)

Dead fish are pictured on the banks of the Guanabara Bay in Rio de Janeiro February 24, 2015. International Olympic Committee members meeting in Rio de Janeiro this week will understand if its waters are not completely clean for the sailing events in 2016, the state's governor said on Monday. (Photo by Ricardo Moraes/Reuters)