lush greenery in barcelona's hidden alley

barcelona spain gothic quarter alleyway narrow buildings sky balconies greenery plants decoration architecture urban city europe stone travel explore view outdoors historic tourism residential facade picturesque vibrant vacation scenic street culture heritage daytime environment window design detail colorful spanish perspective charming beautiful tourist atmosphere art real estate alley nature hidden exotic lush 39aph39 looking adorned cascading offering glimpse cityacent anot acent rich architectural beauty