Capel Corridor Bridge and Octagonal Water Tower are located in Kapellbr 252; cke, 6002 Luzern. Entering Ryusen, Switzerland, is like entering a beautiful dream. The earliest wooden bridge in Europe with a history of nearly 700 years, the Campbell Corridor Bridge, such as the Rainbow Sleeping Wave, spans the Royce River. About 200 meters long, the bridge is decorated with beautiful flower bonsai on both sides. Under the roof of the triangle, there are ancient paintings of the triangle, which depict the life of the sage who guarded Ryusen. There is an octagonal tower near the south of the wooden bridge. It is said that both the bridge and the central tower of the bridge were part of the city wall of that year. The tower is a military looking-out building. The solid tower is permeated with profound historical vicissitudes. Capel Corridor Bridge and Octagonal Tower are the landmark buildings of Ryusen and Switzerland. They are found on postcards in Switzerland.