Introduction to the "Blue Sea Pearl": The "Blue Sea Pearl" is a luxury cruise ship that travels around the Qingdao coast. With a length of 64 meters and a passenger capacity of 298, the ship is known as the "Big Mac" on the sea in Qingdao. The cruise ship currently has three routes, three of which pass through May Fourth Square. Tourists can take a cruise to watch art performances and square scenery, making it an ideal choice for sea travel.