Craftsman Lhari Xorba works on a piece of Tibetan-style black clay pottery in Nixi Township, the Tibetan Autonomous Prefecture of Diqing, southwest China's Yunnan Province, Sept. 17, 2019. (Xinhua/Zhang Yudong)

A craftsman works on a piece of Tibetan-style black clay pottery in Nixi Township, the Tibetan Autonomous Prefecture of Diqing, southwest China's Yunnan Province, Sept. 17, 2019. (Xinhua/Zhang Yudong)

Photo taken on Sept. 17, 2019 shows Tibetan-style black clay pottery pieces in Nixi Township, the Tibetan Autonomous Prefecture of Diqing, southwest China's Yunnan Province. (Xinhua/Zhang Yudong)

Craftsman Lahri Xorba introduces his Tibetan-style black clay pottery works in Nixi Township, the Tibetan Autonomous Prefecture of Diqing, southwest China's Yunnan Province, Sept. 17, 2019. (Xinhua/Zhang Yudong)