A new record has been created by China's unmanned submersible Haidou-1. <br /><br />During a recent expedition in Mariana Trench in the Pacific Ocean, the vehicle dived four times at a depth of over 10,000m, sending back visuals of the seabed.<br /><br />WATCH MORE: https://thestartv.com/c/news<br />SUBSCRIBE: https://cutt.ly/TheStar<br />LIKE: https://fb.com/TheStarOnline
