On grasslands in China's Inner Mongolia, many plague prevention workers have been working on the frontline of dealing with rodents for decades.<br /><br />Wang Yi is one of them. Follow his story.<br /><br />WATCH MORE: https://thestartv.com/c/news<br />SUBSCRIBE: https://cutt.ly/TheStar<br />LIKE: https://fb.com/TheStarOnline
