czech republic, prague, september 8, 2018: panorama of gradchany, prague castle and st. vitus cathedral, strelecky ostrov island,

architecture art blue boat bohemia bridge building capital castle charles church city cityscape colorful czech czechoslovakia day daylight destinations europe european famous golden gothic history landmark natural nature old ostrov panorama pedal people prague republic river sky skyline stone strelecky summer tourism tourist tower town travel view vltava water wide