China's polar icebreaker Xuelong-2 is berthed at the Shanghai Port International Cruise Terminal on the evening of July 10, 2023. On July 11, the 19th Maritime Day of China, an "Open Ship" event is being held at the Shanghai Port International Cruise Terminal. The Xuelong-2 polar icebreaker, Haixun 01 patrol ship and Shencheng ZhiGuang river cruise ship are open for free to visitors who have made reservations. [Photo/VCG]