Line 8 or L8 , colored pink ( termini : PlaÃ a Espanya - MolÃ Nou-Ciutat Cooperativa ) and ran by FGC , is part of the Barcelona Metro network . â '' Line 8 , colored pink ( termini : PlaÃ a Espanya - MolÃ Nou-Ciutat Cooperativa ) and operated by FGC , is part of the Barcelona Metro network , and therefore of the larger ATM fare-integrated transport system .