A stream in a suburb of Buenos Aires, the Argentine capital, turned bright red this week, prompting residents to express concern that industrial chemicals could be to blame. Maria Ducomls, who has lived in the area for more than 30 years, told Agence France-Presse that she noticed that the stream had turned red after a strong smell woke her up. The Argentine newspaper La Nación described it as a “nauseating smell, like garbage.” “It looked like a river covered in blood,” Ducomls said. Read more: