There’s truth to the adage “elephants never forget”. I learned the hard way on a safari to Zimbabwe several years ago. I was in Gonarezhou National Park, located in a remote southeast corner of the country on the border with Mozambique, close to an area where landmines were planted during years of civil war in the late 1970s. Hundreds of animals, including elephants, were killed as a result of human warfare – and the memory remains vivid for their ancestors.