Xinhua Special: Temperatures in this remote part of north China can drop to -43 degrees, but around 767 square kilometers of forest, an area almost the size of New York City has grown in Chengde over the past decades.<br /><br />WATCH MORE: https://thestartv.com/c/news<br />SUBSCRIBE: https://cutt.ly/TheStar<br />LIKE: https://fb.com/TheStarOnline
