Members of China's 36th Antarctic expedition team collect fish samples aboard China's polar icebreaker Xuelong 2, or Snow Dragon 2, Jan. 1, 2020. Photo:Xinhua

Zhang Jie, a member of China's 36th Antarctic expedition team, deals with fish samples aboard China's polar icebreaker Xuelong 2, or Snow Dragon 2, Jan. 1, 2020. Photo:Xinhua

Aerial photo taken on Jan. 1, 2020 shows China's polar icebreaker Xuelong 2, or Snow Dragon 2, sailing in the Cosmonauts Sea. Photo:Xinhua

Photo taken on Jan. 1, 2020 shows fish samples obtained by China's 36th Antarctic expedition team aboard China's polar icebreaker Xuelong 2, or Snow Dragon 2, from the Cosmonauts Sea. Photo:Xinhua