People visit the cockpit of Xuelong 2 at Nanshan Port in Sanya, south China's Hainan Province, Nov. 5, 2026. China's icebreaker Xuelong 2 stopped at a scientific research dock of Sanya Nanshan Port on Thursday for resupply and held a public open day event here. (Xinhua/Guo Cheng)

　　People visit the interior of Xuelong 2 at Nanshan Port in Sanya, south China's Hainan Province, Nov. 5, 2026. China's icebreaker Xuelong 2 stopped at a scientific research dock of Sanya Nanshan Port on Thursday for resupply and held a public open day event here. (Xinhua/Guo Cheng)

　　People learn about polar scientific expedition knowledge aboard Xuelong 2 at Nanshan Port in Sanya, south China's Hainan Province, Nov. 5, 2026. China's icebreaker Xuelong 2 stopped at a scientific research dock of Sanya Nanshan Port on Thursday for resupply and held a public open day event here. (Xinhua/Guo Cheng)

　　People visit the moon pool workshop aboard Xuelong 2 at Nanshan Port in Sanya, south China's Hainan Province, Nov. 5, 2026. China's icebreaker Xuelong 2 stopped at a scientific research dock of Sanya Nanshan Port on Thursday for resupply and held a public open day event here. (Xinhua/Guo Cheng)