The icebreaker Xuelong is seen at a dock in Shanghai, east China, Nov. 8, 2017. China's research icebreaker Xuelong set sail from Shanghai early Wednesday beginning the country's 34th Antarctic expedition. A team of more than 300 will make the 164-day trip of 37,000 nautical miles. They are expected to return to Shanghai in April next year. (Xinhua/Bai Guolong)
