China’s 15th Arctic scientific expedition has been successfully completed as research icebreaker Xuelong 2 returned to Shanghai on Friday.⁣ ⁣ With Xuelong 2’s support, Shenhai 1 carried the Jiaolong submersible for its first manned deep dive in the Arctic ice zone — a major leap in China’s deep-sea exploration capabilities.⁣ ⁣ #ArcticExpedition #Xuelong2 #Jiaolong #DeepSea #ChinaScience #Exploration