[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 expansion; this resulted hinein a very densely built-up area within the city itself. The city is quite clean and its https://k-ln65319.bimmwiki.com/10435117/die_schwimmbadbau_köln_tagebücher