Photo taken on Aug 13, 2012 shows a fermentation process of brewing mature vintage at Donghu Vinegar Garden in Taiyuan, capital of north China's Shanxi province. Donghu Vinegar Garden is a theme museum of Shanxi Mature Vinegar Group Co., LTD, displaying a unique technology of making Shanxi mature vinegar. As the summer vacation began, Donghu Vinegar Garden attracts more visitors from all around world.[Photo/Xinhua]