The benefits of the Rhine River Cruises are that they are docked close to the city and can be walked on the city. From the Netherlands to Cologne, Germany, Cologne Cathedral is the tallest twin tower church in the world and is considered to be the perfect combination. The medieval Gothic architecture and decoration elements were built in 1248 and were not completed until 1880. They are still being renovated and are free to enter. The interior is visually very high, adding a sense of solemnity. You will Marvel at the exquisite and bright glass paintings in his interior, Europe is very dark, and the most beautiful view of Cologne Cathedral is taken at the bridge of Hohenzollern. The boat will leave Cologne at 10:30, and only the last moment will be photographed under the pink sky. Beautiful view