[21] The military demands on what became Germany's largest fortress presented a significant obstacle to urban development, with forts, bunkers, and wide defensive dugouts completely encircling the city and preventing Expansive phase; this resulted in a very densely built-up area within the city itself. We use cookies to ensure that https://k-ln43108.blogdosaga.com/30551244/die-grundprinzipien-der-schwimmbadbau-köln