Members of an expedition team wave goodbye to family members on board Xiangyanghong 01, China's elite scientific research ship, in Qingdao, east China's Shandong Province, Aug. 10, 2019. Xiangyanghong 01 departed from Qingdao for the 10th Arctic expedition on Saturday. (Xinhua/Zhang Xudong)

Photo taken on Aug. 10, 2019 shows Xiangyanghong 01, China's elite scientific research ship, in Qingdao, east China's Shandong Province. Xiangyanghong 01 departed from Qingdao for the 10th Arctic expedition on Saturday. (Xinhua/Zhang Xudong)

Members of an expedition team board Xiangyanghong 01, China's elite scientific research ship, in Qingdao, east China's Shandong Province, Aug. 10, 2019. Xiangyanghong 01 departed from Qingdao for the 10th Arctic expedition on Saturday. (Xinhua/Zhang Xudong)

Photo taken on Aug. 10, 2019 shows Xiangyanghong 01, China's elite scientific research ship, getting ready to set sail in Qingdao, east China's Shandong Province. Xiangyanghong 01 departed from Qingdao for the 10th Arctic expedition on Saturday. (Xinhua/Zhang Xudong)

Members of an expedition team get ready to board Xiangyanghong 01, China's elite scientific research ship, in Qingdao, east China's Shandong Province, Aug. 10, 2019. Xiangyanghong 01 departed from Qingdao for the 10th Arctic expedition on Saturday. (Xinhua/Zhang Xudong)