Serbian Donkey Cheese [Getty Images]

An employee walks through the Zasavica donkey farm where Serbian donkey cheese is produced in Zasavica, Serbia, on Wednesday, Aug. 17, 2016. Pule cheese is made from the milk of Balkan donkeys and is priced at 1100 euros per kilo and reported to be the world's most expensive cheese. Photograph: Oliver Bunic/Bloomberg via Getty Images

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