Dom Luis I Bridge and Serra do Pilar Monastery at dusk, Porto, Portugal, Europe

photography colour colour image color color image vertical vertical image outdoors outside dusk nobody no one no one travel travel destination travel destinations serra do pilar monastery dom luis i bridge douro river porto portugal portuguese europe european urban scene urban scenes urban city cities building exterior building buildings architecture architectural history historical historic heritage high angle view high angle view over townscape bridge metal arch arches arched landmark landmarks famous well known well known river water 19th century illuminated lit lit up