Introduction to Beiguo Jiangnan No. 1 Slide: Beiguo Jiangnan No. 1 Slide is built with polished granite slabs. It is 1.5 meters wide, 900 meters long, and has a drop of 200 meters. It is built windingly in a dense forest. When riding the slide, it will bring you a tense, exciting, energetic, relaxed and happy feeling.