banja luka in republika srpska, bosnia

banja luka banjaluka bosnia herzegovina republika srpska serbian republic september europe balkans architecture church cathedral tower rooftop roof top panorama panoramic cityscape townscape view travel tourism town city cities flats block high rise towerblock apartments capital modern contemporary saint bonaventure holy trinity bell clock belltower spire religion religious orthodox catholic christian roman residential houses homes buildings bosnian european union east south eastern southern picturesque outside outdoors landmark sunny sunshine suburb roofs blue cirrus centre urban housing accommodation landscape trees