The animals of this African spring run a deadly gauntlet to survive. The spring flows out of a sandy river bed 30km inland from the Zambezi River and is the lifeline for hundreds of animals between August and the end of November each year. But taking a drink from this water source comes at a price, as it is flanked by a cliff on either side and forms a perfect ambush alley for the two resident lion prides with one shared goal: eat as much buffalo as possible. It is the perfect place to hunt, a predator’s playground

• Documentary