as[80] The tea fields in the foothills of Gorreana, São Miguel Island, in the Azores archipelago of Portugal which is located in the middle of the North Atlantic Ocean, the only European region other than Georgia to support green tea productionProcessing and classification[සංස්කරණය]ප්‍රධාන ලිපිය: Tea processingTeas of different levels of oxidation (L to R): green, yellow, oolong, and blackTea is generally divided into categories based on how it is processed.[81] At least six different types are produced:White: wilted and unoxidized;Yellow: unwilted and unoxidized but allowed to yellow;Green: unwilted and unoxidized;Oolong: wilted, bruised, and partially oxidized;Black: wilted, sometimes crushed, and fully oxidized (called 紅茶 [hóngchá], "red tea" in Chinese and other East Asian tea culture);Post-fermented (Dark): green tea that has been allowed to ferment/compost (called Pu'er if from the Yunnan district of South-Western China or 黑茶 [hēichá] "black tea" in Chinese tea cultu