Members of China's 35th Antarctic expedition team arrive at the area of the Dome Argus (Dome A), the peak of Antarctica's inland icecap, in Antarctica, Jan. 16, 2019. (Photos: Xinhua)

The Chinese national flag is seen at the area of the Dome Argus (Dome A), the peak of Antarctica's inland icecap, in Antarctica, Jan. 16, 2019.

Members of China's 35th Antarctic expedition team pose for a group photo at the area of the Dome Argus (Dome A), the peak of Antarctica's inland icecap, in Antarctica, Jan. 16, 2019.

A member of China's 35th Antarctic expedition team erects the Chinese national flag at the area of the Dome Argus (Dome A), the peak of Antarctica's inland icecap, in Antarctica, Jan. 16, 2019.