A worker mixes the material at a workshop of Ninghuafu in Taiyuan, capital of north China's Shanxi Province, Aug. 20, 2016. With a continued slump in the coal industry, Shanxi Province is seeking to transform its economic development by boosting non-coal industries such as vinegar-making industry. As the birthplace of mature vinegar, Shanxi Province holds various culture events to display its vinegar culture. Also mechanization has been applied during the process to improve the yield of mature vinegar. (Xinhua/Cao Yang)
