<prompt> Translate the following text to EnglishKutoka Plaza de Armas hadi Parque Central, barabara ya Obispo iliyo kwa ajili ya watembea kwa miguu tu ndiyo barabara muhimu zaidi ya Old Havana.  <response>: Running all the way from Plaza de Armas to Parque Central, the pedestrian-only Calle Obispo is Old Havanas most important thoroughfare. 