People on urban city street in Lisbon with reveal of Arco da Rua Augusta and Praca do Comercio public square by the sea

lisbon city lisbon portugal arco da rua augusta aerial view aerial city center town praca do comercio street city square city buildings downtown urban european houses plaza cityscape establishing view building tourism architecture tourist destination europe travel house apartment buildings landmark people tourist destination arch center coast historical landmark old landscape historic beautiful sea traffic apartments monument traditional colorful establisher famous