China has scored many achievements in crewed deep diving in recent years. From Jiaolong (flood dragon), Shenhai Yongshi (deep-sea warrior) to Fendouzhe (striver), the maximum diving depth of crewed submersibles of China has surpassed 10,000 meters. But China's deep-sea exploration is not just about depth.

CGTN reporter Guo Meiping spoke with Ye Cong, deputy director of China Ship Scientific Research Center and chief designer of crewed deep-sea submersible Fendouzhe, about his experience under the sea and the development of crewed diving technology in the country.