Zhang Dong, head of the power generation team, checks the condition of a generator at China's Zhongshan Station in Antarctica, Dec. 1, 2024. The overwintering squad of China's 40th Antarctic expedition team has been stationed at Zhongshan Station, a Chinese research base in Antarctica, for a year. Now, as their mission in Antarctica is coming to an end, the squad members are preparing to return home after completing the handover with the newly dispatch of China's Antarctic expedition team. (Xinhua/Huang Taoming)