![Costa Serena, a Concordia-class cruise ship of the Italian cruise line Costa Crociere, departs from a port in Dalian City, Northeast China’s Liaoning Province, May 14, 2019, kicking off a five-day-six-night trip to Japan. The Dalian Port International Cruise Liner Center opened in 2016 with aims build it into a cruise hub in northeastern Asia. Costa Serena is the biggest cruise boat the center has handled. (Photo: China News Service/Zhao Guanghui)](http://www.ecns.cn/hd/2019/05/15/73a317c03f4c416f8b9b739b2e01565a.jpg)
Costa Serena, a Concordia-class cruise ship of the Italian cruise line Costa Crociere, departs from a port in Dalian City, Northeast China’s Liaoning Province, May 14, 2019, kicking off a five-day-six-night trip to Japan. The Dalian Port International Cruise Liner Center opened in 2016 with aims build it into a cruise hub in northeastern Asia. Costa Serena is the biggest cruise boat the center has handled. (Photo: China News Service/Zhao Guanghui)
![Costa Serena, a Concordia-class cruise ship of the Italian cruise line Costa Crociere, departs from a port in Dalian City, Northeast China’s Liaoning Province, May 14, 2019, kicking off a five-day-six-night trip to Japan. The Dalian Port International Cruise Liner Center opened in 2016 with aims build it into a cruise hub in northeastern Asia. Costa Serena is the biggest cruise boat the center has handled. (Photo: China News Service/Zhao Guanghui)](http://www.ecns.cn/hd/2019/05/15/b5ebabeafee946b1b2a25c6d80670e39.jpg)
Costa Serena, a Concordia-class cruise ship of the Italian cruise line Costa Crociere, departs from a port in Dalian City, Northeast China’s Liaoning Province, May 14, 2019, kicking off a five-day-six-night trip to Japan. The Dalian Port International Cruise Liner Center opened in 2016 with aims build it into a cruise hub in northeastern Asia. Costa Serena is the biggest cruise boat the center has handled. (Photo: China News Service/Zhao Guanghui)
![Costa Serena, a Concordia-class cruise ship of the Italian cruise line Costa Crociere, departs from a port in Dalian City, Northeast China’s Liaoning Province, May 14, 2019, kicking off a five-day-six-night trip to Japan. The Dalian Port International Cruise Liner Center opened in 2016 with aims build it into a cruise hub in northeastern Asia. Costa Serena is the biggest cruise boat the center has handled. (Photo: China News Service/Zhao Guanghui)](http://www.ecns.cn/hd/2019/05/15/937daa8183304813963771ab734774f9.jpg)
Costa Serena, a Concordia-class cruise ship of the Italian cruise line Costa Crociere, departs from a port in Dalian City, Northeast China’s Liaoning Province, May 14, 2019, kicking off a five-day-six-night trip to Japan. The Dalian Port International Cruise Liner Center opened in 2016 with aims build it into a cruise hub in northeastern Asia. Costa Serena is the biggest cruise boat the center has handled. (Photo: China News Service/Zhao Guanghui)