edifici de sindicats, barcelona old city, spain

architectural architecture attraction avenue barcelona basilica building buildings business casa catalan catalonia cathedral catholic central christian christianity church city classical color colorful commercial construction de design edifici espana euro europe european heritage historic historical history laietana landmark lined mall neo neoclassical old outdoor palau parc park placa plaza plaasect quarter road sindicats site skyline soler spain spanish square street structure style symbolic symbolism tour tourism tourist tower travel unique vella view