Core Points - The "Xuelong 2" polar icebreaker has successfully arrived at a cargo unloading point 12 kilometers from Zhongshan Station during China's 42nd Antarctic Expedition [1] - The unloading operation is utilizing both snow vehicles and helicopters to transport fuel and containers to the station [3][5] Group 1 - The "Xuelong 2" has commenced unloading operations, planning to deliver over 600 tons of supplies over a period of three to four days [5] - As the Antarctic summer progresses, the melting sea ice is facilitating the unloading process, allowing for continuous operations [5] - A total of 12 fuel bags, approximately 40 tons of polar fuel, have been successfully transported to Zhongshan Station via helicopter [3]