A highway maintenance team in southwest China's Tibet has been devoting to safeguarding an artery road in the region for 67 years.<br /><br />They work at the highest point of Qinghai-Tibet Highway near the Tanggula Mountain Pass.<br /><br />WATCH MORE: https://thestartv.com/c/news<br />SUBSCRIBE: https://cutt.ly/TheStar<br />LIKE: https://fb.com/TheStarOnline