Research team members unload cargos from a barge at the Great Wall Station 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)
