Zhang Zhigang teaches students to make porcelain at his workshop of Baihu kiln in Fuzhou, East China's Jiangxi province, June 21, 2017. Zhang Zhigang, graduated from Tsinghua University, returned to his hometown in Jiangxi in 2014. He spent 1.5 million yuan (220,000 US dollars) to renovate three ancient houses for his workshop on the handicraft and culture of ancient Chinese Baihu kiln. [Photo/Xinhua]