code: def city_center_distance(self):
          
          try:
              infos = self._ad_page_content.find_all(
                  'div', {"class": "map_info_box"})
              for info in infos:
                  if 'Distance to City Centre' in info.text:
                      distance_list = re.findall(
                          'Distance to City Centre: (.*) km', info.text)
                      return distance_list[0]
              return None
          except Exception as e:
              if self._debug:
                  logging.error(e.args[0])
              print(e)
              return 'N/A'
docs: This method gets the distance to city center, in km.
          :return: