Icebreakers Xuelong and Xuelong 2 cross equator for China's 41st Antarctic expedition

Members of China's 41st Antarctic expedition team pose for a group photo on China's icebreaker Xuelong 2, or Snow Dragon 2. China's icebreakers Xuelong and Xuelong 2 crossed the equator and entered the southern hemisphere for the country's 41st Antarctic expedition on Tuesday and Wednesday respectively. (Xinhua/Huang Taoming)

Members of China's 41st Antarctic expedition team play a tug-of-war game on China's icebreaker Xuelong 2, or Snow Dragon 2. China's icebreakers Xuelong and Xuelong 2 crossed the equator and entered the southern hemisphere for the country's 41st Antarctic expedition on Tuesday and Wednesday respectively. (Xinhua/Huang Taoming)

Members of China's 41st Antarctic expedition team play a tug-of-war game on China's icebreaker Xuelong 2, or Snow Dragon 2. China's icebreakers Xuelong and Xuelong 2 crossed the equator and entered the southern hemisphere for the country's 41st Antarctic expedition on Tuesday and Wednesday respectively. (Xinhua/Huang Taoming)

Members of China's 41st Antarctic expedition team pose for photos in the formation on China's icebreaker Xuelong 2, or Snow Dragon 2. China's icebreakers Xuelong and Xuelong 2 crossed the equator and entered the southern hemisphere for the country's 41st Antarctic expedition on Tuesday and Wednesday respectively. (Xinhua/Huang Taoming)

Members of China's 41st Antarctic expedition team attend a ring toss game on China's icebreaker Xuelong 2, or Snow Dragon 2. China's icebreakers Xuelong and Xuelong 2 crossed the equator and entered the southern hemisphere for the country's 41st Antarctic expedition on Tuesday and Wednesday respectively. (Xinhua/Huang Taoming)