![A man shows ice cream flavored with mature vinegar in Taiyuan, capital of north China\'s Shanxi Province, October 9, 2018. (Photo: China News Service/ Zhang Yun)](http://www.ecns.cn/hd/2018/10/10/8e1aa707a6504a638fee74c9454b73c3.jpg)
A man shows ice cream flavored with mature vinegar in Taiyuan, capital of north China's Shanxi Province, October 9, 2018. (Photo: China News Service/ Zhang Yun)
![A man shows how to make ice cream flavored with mature vinegar in Taiyuan, capital of north China\'s Shanxi Province, October 9, 2018. (Photo: China News Service/ Zhang Yun)](http://www.ecns.cn/hd/2018/10/10/08663e83422b4cd9a1b40a066e080a24.jpg)
A man shows how to make ice cream flavored with mature vinegar in Taiyuan, capital of north China's Shanxi Province, October 9, 2018. (Photo: China News Service/ Zhang Yun)
![A man shows how to make ice cream flavored with mature vinegar in Taiyuan, capital of north China\'s Shanxi Province, October 9, 2018. (Photo: China News Service/ Zhang Yun)](http://www.ecns.cn/hd/2018/10/10/2791327bf858469884f69744af5f4833.jpg)
A man shows how to make ice cream flavored with mature vinegar in Taiyuan, capital of north China's Shanxi Province, October 9, 2018. (Photo: China News Service/ Zhang Yun)
![A man shows ice cream flavored with mature vinegar in Taiyuan, capital of north China\'s Shanxi Province, October 9, 2018. (Photo: China News Service/ Zhang Yun)](http://www.ecns.cn/hd/2018/10/10/d6c890a9d63b4ace821da6b00dae3771.jpg)
A man shows ice cream flavored with mature vinegar in Taiyuan, capital of north China's Shanxi Province, October 9, 2018. (Photo: China News Service/ Zhang Yun)
![A girl tastes an ice cream flavored with mature vinegar in Taiyuan, capital of north China\'s Shanxi Province, October 9, 2018. (Photo: China News Service/ Zhang Yun)](http://www.ecns.cn/hd/2018/10/10/9505cfd385454d1d801313172d332962.jpg)
A girl tastes an ice cream flavored with mature vinegar in Taiyuan, capital of north China's Shanxi Province, October 9, 2018. (Photo: China News Service/ Zhang Yun)