text: It joins PlaÃ a Espanya , in the Sants-Montju Ã c district of Barcelona with metropolitan area municipalities of L'Hospitalet de Llobregat , CornellÃ de Llobregat and Sant Boi .
simplified: It joins PlaÃ a Espanya , in the Sants-Montju Ã c district of Barcelona with the metropolitan area cities of L'Hospitalet de Llobregat , CornellÃ de Llobregat and Sant Boi .