A penguin is seen at the Great Wall Station in Antarctica, Feb. 9, 2020. Members of China's 36th Antarctic expedition aboard China's polar icebreaker Xuelong 2, or Snow Dragon 2, started unloading supplies recently at the Great Wall station. The Great Wall station, built in 1985, is China's first research base on the continent. It is located near a nature reserve where groups of penguins and seals are often seen. (Xinhua/Liu Shiping)

Skuas are seen on a lake near the Great Wall station in Antarctica, Feb. 9, 2020. Members of China's 36th Antarctic expedition aboard China's polar icebreaker Xuelong 2, or Snow Dragon 2, started unloading supplies recently at the Great Wall station. The Great Wall station, built in 1985, is China's first research base on the continent. It is located near a nature reserve where groups of penguins and seals are often seen. (Xinhua/Liu Shiping)

Penguins are seen near the Great Wall station in Antarctica, Feb. 9, 2020. Members of China's 36th Antarctic expedition aboard China's polar icebreaker Xuelong 2, or Snow Dragon 2, started unloading supplies recently at the Great Wall station. The Great Wall station, built in 1985, is China's first research base on the continent. It is located near a nature reserve where groups of penguins and seals are often seen. (Xinhua/Liu Shiping)

Penguins are seen near the Great Wall station in Antarctica, Feb. 9, 2020. Members of China's 36th Antarctic expedition aboard China's polar icebreaker Xuelong 2, or Snow Dragon 2, started unloading supplies recently at the Great Wall station. The Great Wall station, built in 1985, is China's first research base on the continent. It is located near a nature reserve where groups of penguins and seals are often seen. (Xinhua/Liu Shiping)

Aerial photo taken on Feb. 8, 2020 shows the Great Wall station in Antarctica. Members of China's 36th Antarctic expedition aboard China's polar icebreaker Xuelong 2, or Snow Dragon 2, started unloading supplies recently at the Great Wall station. The Great Wall station, built in 1985, is China's first research base on the continent. It is located near a nature reserve where groups of penguins and seals are often seen. (Xinhua/Liu Shiping)