Research team members of China's icebreaker Xuelong transport a barge onto the Maxwell bay in Antarctica, Jan. 4, 2017. Chinese research vessel and icebreaker Xuelong (Snow Dragon) on Wednesday arrived in Maxwell Bay, some 2 kms away from the Great Wall Antarctic research station, and began its unloading task. Xuelong is on its 33rd Antarctic expedition. (Xinhua/Rong Qihan)