The staff first mix various kinds of nuts and biscuits that the monkeys like in with shredded paper, then put the mixture into recycled cardboard boxes, which they then tie up before putting them into the enclosures. This forces the macaques to do some "digging for buried treasure" to get to the food inside.
把獼猴喜歡吃的各種堅果及猴餅乾與碎紙混合後，放入回收紙箱中，再將紙箱打包放入籠舍裡，讓獼猴們試著「找」出藏在裡面的食物。