▁and ▁Joan ic ▁and ▁Verd ag uer ▁on ▁the ▁L 4 . ▁The ▁Fer roc arr ils ▁de ▁la ▁General itat ▁de ▁Catalunya ▁( F GC ) ▁also ▁operate ▁the ▁Gr à cia ▁station ▁of ▁the ▁Barcelona ▁- ▁Metro ▁de ▁Vall ès ▁line . ▁Additionally , ▁numerous ▁bus ▁and ▁night ▁bus ▁lines ▁in ▁the ▁T MB ▁Barcelona ▁system ▁cover ▁Gr à cia . ▁As ▁with ▁the ▁rest ▁of ▁the ▁city , ▁b ikes ▁are ▁very ▁common . ▁ ▁Art istic ▁influ ences ▁ ▁The ▁neighbourhood ▁of ▁Gr à cia ▁is ▁both ▁cult ur ally ▁and ▁artist ically ▁distinct ▁from ▁the ▁rest ▁of ▁the ▁city ▁of ▁Barcelona . ▁The ▁neighbourhood ▁was ▁considered ▁a ▁separate ▁municipality ▁until ▁its ▁an nex ation ▁in ▁ 1 8 9 7 , ▁and ▁its ▁unique ▁culture ▁has ▁pers isted , ▁rendering ▁it ▁a ▁completely ▁self - su fficient ▁area ▁of ▁Barcelona . ▁Although ▁its ▁ec lect ic ▁charm ▁attract s ▁trav ellers ▁from ▁all ▁over , ▁unlike ▁much ▁of ▁Barcelona , ▁the ▁majority ▁of ▁Gr à cia ' s ▁inhabitants ▁are ▁loc als . ▁During ▁the ▁day , ▁the ▁“ hip ster ” ▁bar rio ▁is ▁full ▁of ▁life , ▁project ing ▁a ▁hip ▁and ▁ed gy ▁v ibe . ▁At ▁night , ▁however , ▁the ▁environment ▁transform s , ▁and ▁although ▁the ▁narrow ▁streets ▁are ▁quiet ▁and ▁peace ful , ▁bars ▁often ▁host ▁tal ented ▁jazz ▁sing ers , ▁and ▁groups ▁of ▁te en agers ▁gather ▁in ▁the ▁squares . ▁ ▁Several ▁historic ▁sites ▁in ▁Gr à cia