Members of China's research team pose for a group photo on ice in front of the icebreaker Xuelong, or "Snow Dragon", in the Arctic Ocean, Aug. 15, 2016. The research team of China's seventh expedition to the Arctic completed their works on six short-term and one long-term data acquisition locations on ice on Aug. 20, 2016. (Xinhua/Wu Yue)
Members of China's research team set up an ocean profiling float at a short-term data acquisition location near the icebreaker Xuelong, or "Snow Dragon", in the Arctic Ocean, Aug. 18, 2016.
A helicopter of China's icebreaker Xuelong, or "Snow Dragon", attends a rescue drill on ice in the Arctic Ocean, Aug. 10, 2016.
China's Zheng Shuyin (L) competes against Mexico's Maria Del Rosario Espinoza Espinoza during the women's +67kg final of Taekwondo at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 20, 2016. Zheng Shuyin won the gold medal. (Xinhua/Wu Wei)
The Chinese women's volleyball team players celebrate after beating Serbia 3:1 at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 20, 2016. [Photo / Xinhua]