article: Barcelona Metro
links: 1926 1912 Spain 1995 Barcelona Metro line 10 2009 1929 2003 Barcelona Metro line 2 2014 1924 Barcelona Metro line 5 2010 Barcelona Metro line 9 1959 Barcelona Metro line 4 Barcelona Metro line 3 Barcelona Barcelona Metro line 1 Spanish language 1954 Barcelona Metro line 7 Catalan language Barcelona Metro line 8 Barcelona Metro line 6