China's polar icebreaker Xuelong 2 reaches the sea near China's Great Wall Station in Antarctica, February 7, 2020. /Xinhua Photo

The Great Wall Station is the second Antarctic research station that Xuelong 2 has visited during China's 36th Antarctic Expedition. /Xinhua Photo

It had earlier visited China's Zhongshan Station before stopping at the Port of Cape Town in South Africa for supplies and setting off again for Antarctica. /Xinhua Photo

Lying on King George Island, the Great Wall station, the first Chinese research station in Antarctica, is built in 1985. /Xinhua Photo