Luxemburger Straße runs straight as an arrow along the Roman long-distance road through the middle of the green belt.
The outer green belt surrounds the city area on the left bank of the Rhine, borders Cologne on the west side and serves as a local recreation area for the metropolis. The landscape park with its extensive belt of woods and meadows bears witness to Cologne's urban transformation in the period after the First World War. It was created in the 1920s under Cologne's mayor Konrad Adenauer on the site of the outer Prussian fortification ring.
It was built in the 1920s under Cologne's mayor Konrad Adenauer on the site of the outer Prussian fortification ring.
The demolition of the Cologne fortress, the most heavily fortified city in the west of the Prussian state, was stipulated in the Treaty of Versailles in 1919. The dismantling of the defensive structures created space for the development and growth of the modern city.
