巴塞罗那卡地铁可以随便坐吗?巴塞罗那卡地铁可以随便坐吗?Free travel on public transport: Barcelona metro and city buses run by Transports Metropolitans de Barcelona, and Ferrocarrils de la Generalitat de Catalunya city and suburban trains, trams, Barcelona airport train and Renfe suburban trains zone 1.看起来是的