Aerial 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.

Aerial 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. (Photos: Xinhua)

Aerial 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.

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.

Workers participate in the maiden voyage ceremony of HMM Algeciras at Qingdao Port in Qingdao, east China's Shandong Province, April 26, 2020. 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.