Colombia Tries to Control Invasive Hippo

Colombia announced a plan to control the population of more than 160 hippos whose ancestors were brought to the country by Pablo Escobar. The plan includes sterilization, euthanasia, and moving the hippos to other countries.

Source : https://learningenglish.voanews.com/a/colombia-tries-to-control-invasive-hippo/7340831.html