China's first domestically built polar icebreaker "Xuelong 2," or "Snow Dragon 2", sails on the Yangtze River in China, July 23, 2019. (Xinhua/Zhang Jiansong)
China's first domestically built polar icebreaker "Xuelong 2," or "Snow Dragon 2", berths at its home port in Shanghai, east China, July 23, 2019. (Xinhua/Zhang Jiansong)
China's first domestically built polar icebreaker "Xuelong 2," or "Snow Dragon 2", berths at its home port in Shanghai, east China, July 23, 2019. (Xinhua/Zhang Jiansong)
Workers help China's first domestically built polar icebreaker "Xuelong 2," or "Snow Dragon 2", berth at its home port in Shanghai, east China, July 23, 2019. (Xinhua/Zhang Jiansong)
Workers help China's first domestically built polar icebreaker "Xuelong 2," or "Snow Dragon 2", berth at its home port in Shanghai, east China, July 23, 2019. (Xinhua/Zhang Jiansong)
