Working with the Amboseli Elephant Research Project in southern Kenya, the researchers presented the animals with clean clothing and material worn by either a Masai or Kamba tribesman.

• 研究人员是与肯亚南部的安波赛利大象研究计画合作，让大象嗅闻乾净的衣服，以及分别被马赛族人或坎巴族人穿过的衣物。