A wetland in Cangzhou, located in north China's Hebei Province, has transformed into a thriving paradise for migratory birds, witnessing a significant increase in their numbers in recent years.<br /><br />WATCH MORE: https://thestartv.com/c/news<br />SUBSCRIBE: https://cutt.ly/TheStar<br />LIKE: https://fb.com/TheStarOnline
