A breeding pair in Hornbill Valley in China's Yunnan province has once again successfully raised chicks using a nest box. Discover why hornbills are crucial to rainforest ecosystems and how this conservation method is helping protect the species.<br /><br />WATCH MORE: https://thestartv.com/c/news<br />SUBSCRIBE: https://cutt.ly/TheStar<br />LIKE: https://fb.com/TheStarOnline
