<prompt> Translate the following text to EnglishWakati mmoja kanisa kuu, Basilique Notre-Dame ya karne ya 13 inaweza kuwa vigumu kupata kati ya mitaa nyembamba cobbled ya mji wa zamani.  <response>: Once a cathedral, the 13th-century Basilique Notre-Dame can be hard to find among the narrow cobbled streets of the old town. 