helsinkiGuideClay function
use new, complicated Map
Implementation
Map<String, Map<String, String>> helsinkiGuideClay() {
Map<String, Map<String, String>> _retM = {};
HelsinkiGuide helsinkiGuide = HelsinkiGuide();
// get all maps..
helsinkiGuide.buildMaps('Clay-Roll - helsinkiGuideClay');
_retM.addAll(helsinkiGuide.helsinkiClayM);
return _retM;
}