Quantum of the Seas, the largest cruise ship plying Northeast Asia, docks at Songdo Port in Incheon, west of Seoul, on March 4, 2016, carrying some 4,800 Chinese tourists. The 167,000-ton ship can carry up to 4,900 passengers and 1,500 crew members. South Korea is expecting more than 1.5 million people to visit Korea on cruise ships this year. (Yonhap)
