Cologne is an industrial city, the Rhine River, there is one of the largest churches in Europe, there is also a romantic love bridge - Hohenzollern Bridge, built in 1907, and destroyed in the war, now it is seen as reconstruction, honestly, the Rhine is not beautiful, the bridge is also SOSO, love locks in, Become one of the must-visit attractions in Cologne, the world's people for love eternal desire is the same!