Colombian drug lord Pablo Escobar used to ran his own private zoo on a luxury state outside Medellín. Among the range of exotic animals he brought in were four hippos imported from Africa. Escobar was killed more than 30 years ago, but the hippos continue to proliferate vigorously, endangering the local ecosystem after having escaped from the estate. Following years of debate and failed attempts, the Colombian government has come forward with a new plan to tackle the invasive species. The story of Pablo Escobar’s hippos is among the newest gripping narratives from us at the dpa trends & featur…