Seals are seen on floating ices near China's polar icebreaker Xuelong 2, or Snow Dragon 2, in the Southern Ocean on Dec 19, 2019. (Photos: Xinhua)
A seal is seen on a floating ice near China's polar icebreaker Xuelong 2, or Snow Dragon 2, in the Southern Ocean on Dec 19, 2019.
Penguins are seen on a floating ice near China's polar icebreaker Xuelong 2, or Snow Dragon 2, in the Southern Ocean on Dec 19, 2019.
Combo photo taken on Dec 19, 2019 shows China's polar icebreaker Xuelong 2 (up), or Snow Dragon 2, and penguins (bottom) on a floating ice near Xuelong 2 in the Southern Ocean.
Seals are seen on a floating ice near China's polar icebreaker Xuelong 2, or Snow Dragon 2, in the Southern Ocean on Dec 19, 2019.
Sea birds are seen above a floating ice near China's polar icebreaker Xuelong 2, or Snow Dragon 2, in the Southern Ocean on Dec 19, 2019.
Sea birds perch on a huge iceberg in the Southern Ocean on Dec 19, 2019.
Penguins are seen on floating ices near China's polar icebreaker Xuelong 2, or Snow Dragon 2, in the Southern Ocean on Dec 19, 2019.