It turns out that if you record the voices of tourists and you play that recording from a speaker hidden in bushes, elephants will ignore it, because tourists never bother elephants.
Izrādās, ja ieraksta tūristu balsis un šo ierakstu atskaņo krūmos paslēpts skaļrunis, ziloņi to ignorēs, jo tūristi ziloņus nekad netraucē.