above cesky krumlov Czech Republic czechia old town river roofs vltava boat castle kayak water city cityscape historic old panorama town boats bridge tourists alcoves architecture balcony bay bowfront classic facade mural art mural painting oriel romantic window blue blue sky building coloured colourful Czech decoration landmark painted roof rooftop steeple stucco tower turret arches column columns mantelbrücke multi-level multi-storey multi-storeyed multistorey multistoried multistory plastovy most rond arch round