Geraniums, ferns and rubber plants, flags, banners and slogans, laundry and bikes. A balcony can be a personal green haven, a practical extension to a flat, a public noticeboard for political statements or all three at once.
Many Barcelona balconies display Catalan flags, often paired with Spanish ones, but there are a great variety of other origins and allegiances on display too. The residents of the Barceloneta district between the beach and the port proudly display the blue and yellow flag that is only available to local residents. Around the old town I spotted Swedish, Brazilian and Scottish flags and one (that I had to look up) for the Spanish region of Extramadura.
(Click on any image to view the gallery)