A staff member sprays disinfectant at the Delhi Zoo in New Delhi, India, Oct. 22, 2016. The Delhi Zoo has been shut down indefinitely after eight water birds died of avian flu, authorities said. (Xinhua/Stringer)
A staff member sprays disinfectant at the Delhi Zoo in New Delhi, India, Oct. 22, 2016. The Delhi Zoo has been shut down indefinitely after eight water birds died of avian flu, authorities said. (Xinhua/Stringer)