Introduction to the sightseeing tower: The sightseeing tower was built by the Yinhai International Yacht Club to promote Qingdao's city brand of "Sailing City" and commemorate the spirit of Mayor Xia Geng's instructions in Yinhai that "the Sailing City sets sail from Silver Sea" Construction. The sightseeing tower is 19.8 meters high and 7 meters in diameter.