A vehicle of China's 35th Antarctic expedition team runs on Antarctica's inland icecap, Jan. 2, 2019. The expedition team Wednesday entered the area of the Dome Argus (Dome A), the peak of Antarctica's inland icecap. (Photo: Xinhua)

A vehicle of China's 35th Antarctic expedition team runs on Antarctica's inland icecap, Jan. 2, 2019. The expedition team Wednesday entered the area of the Dome Argus (Dome A), the peak of Antarctica's inland icecap. (Photo: Xinhua)

Vehicles of China's 35th Antarctic expedition team run on Antarctica's inland icecap, Jan. 2, 2019. The expedition team Wednesday entered the area of the Dome Argus (Dome A), the peak of Antarctica's inland icecap. (Photo: Xinhua)

China's 35th Antarctic expedition team camps at a site about 1,100 km away from China's Zhongshan Station, Jan. 2, 2019. The expedition team Wednesday entered the area of the Dome Argus (Dome A), the peak of Antarctica's inland icecap. (Photo: Xinhua)