<prompt> Translate the following text to EnglishKuunda mji wenye bandari kubwa, ikiwa ni pamoja na breakwater yenye urefu wa mita 500 na mchanga laini kama msingi, bila shaka ilikuwa kazi kubwa ya uhandisi.  <response>: Creating a city boasting a major harbour, including a 500-metre- 1,640-foot- long breakwater, with little more than soft sand as a base, was undoubtedly a colossal feat of engineering. 