© Provided by Xinhua KUNMING, Sept. 29 (Xinhua) Yin Shumao used to be a layman when it came to breeding fish, but now he is almost an expert in this
KUNMING, Sept. 29 (Xinhua) Yin Shumao used to be a layman when it came to breeding fish, but now he is almost an expert in this field. The 56-year-old from Y