A road divides the Cerro Lagoon, where the water below the road is colored and the Waltrading S.A. tannery stands on the bank, bottom right, in Limpio, Paraguay, Wednesday, Aug. 5, 2020. According to Francisco Ferreira, a technician at the National University Multidisciplinary Lab. who is taking water samples at the site on Wednesday, the color of the water is due to the presence of heavy metals like chromium, commonly used in the tannery process. (AP Photo/Jorge Saenz)