Photo taken on April 26, 2020 shows HMM Algeciras docking at Qingdao Port in Qingdao, east China's Shandong Province. HMM Algeciras, the largest container vessel on earth with a TEU (20-foot equivalent unit) capacity of 24,000, started its maiden voyage from the port of Qingdao on Sunday. (Xinhua/Li Ziheng)