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A working staff makes a base of green-glazed pottery in Huili county of Liangshan Yi autonomous prefecture, Southwest China's Sichuan province, Aug 18, 2016. The green-glazed pottery of Huili enjoys a great fame in Sichuan. It's named as "green" pottery because it contains malachite which turns green after burning in high temperature. It was listed as the intangible cultural heritage of Sichuan in 2009. [Photo/Xinhua]