Members of China's 36th Antarctic expedition team fix facilities aboard China's polar icebreaker Xuelong 2 in the Cosmonauts Sea, Jan. 9, 2020. The Chinese icebreaker Xuelong 2 with members of China's 36th Antarctic expedition team will head to travel through "roaring forties" from Cosmonauts Sea on Friday. (Photos: Xinhua)

Aerial photo taken on Jan. 8, 2020 shows the Chinese icebreaker Xuelong 2 stopping in dense ice floes in the Cosmonauts Sea. The Chinese icebreaker Xuelong 2 with members of China's 36th Antarctic expedition team will head to travel through "roaring forties" from Cosmonauts Sea on Friday.

Members of China's 36th Antarctic expedition team arrange supplies aboard China's polar icebreaker Xuelong 2 in the Cosmonauts Sea, Jan. 9, 2020. The Chinese icebreaker Xuelong 2 with members of China's 36th Antarctic expedition team will head to travel through "roaring forties" from Cosmonauts Sea on Friday.

Weather men analyze weather forecast aboard China's polar icebreaker Xuelong 2 in the Cosmonauts Sea, Jan. 9, 2020. The Chinese icebreaker Xuelong 2 with members of China's 36th Antarctic expedition team will head to travel through "roaring forties" from Cosmonauts Sea on Friday.

Members of China's 36th Antarctic expedition team fix facilities aboard China's polar icebreaker Xuelong 2 in the Cosmonauts Sea, Jan. 9, 2020. The Chinese icebreaker Xuelong 2 with members of China's 36th Antarctic expedition team will head to travel through "roaring forties" from Cosmonauts Sea on Friday.