Kuk Swamp is an archaeological site in New Guinea. Evidence for early agricultural drainage systems was found here, beginning about 9,000 years ago. In 2008, it was listed as a World Heritage Site by UNESCO. Evidence has been found of irrigation draining ditches going back to 9,000 years, with a number of plants including taro grown, at what would have been the edge of its cultivable limit in the highlands. From 6,900 - 6,400 years ago further evidence has been found for the cultivation of bananas and sugar cane. This makes it one of the earliest sites for the development of agriculture in the world".