Introduction to Haihe Journey: Haihe Journey 4D cinema uses high-tech means such as 180-degree arc screens, dynamic seats, surround sound, etc. to strongly shock the audience's auditory, visual and tactile nerves. People can fully experience the real experience of rafting on the Haihe River and walking around the city, and have a profound understanding of the Haihe River, the mother river of Tianjin.