From the top of the building, you can see the city view of Cologne, and the signs above will tell you which landmarks you see in all directions, and the most interesting nature is the old town, the Rhine and the bridge on the side of the Cologne Cathedral. No matter the four seasons, it is recommended to go up after 5:00 or 6:00, mainly because the night view is extremely beautiful, and although it is dark around 9:00 in summer, even if you don't want to wait for the night view, it is recommended to go in the morning or after 5:00 pm, because 2:00 pm ~ 4:30 room super hot and super sun.