the polish flag against the background of the roofs of houses in strego mista on castle square in warsaw

generated flag sky red blue advertising wind landmark downtown town facade sign tower flower city cloud tree signage banner flaga polski polska niepodleglosc dzien flagi polak polen maj architecture building cityscape constitution culture ensign europe european exterior godlo government historic history horizontal house independence day international nation national nationalism old patriotic poland bandera sztandar chorgiewka polish background roofs houses strego mista castle square warsaw