Cologne cathedral with Holzholand bridge and Rhine in the foreground with main train station on the river in good weather

cologne cathedral hohenzollern bridge rhine foreground main train station good weather landmark river view sunny day cologne iconic historic urban landscape riverside cityscape scenic blue sky architecture german landmarks weather travel destination cologne city sunny weather city skyline tourist attraction historic architecture cologne sky rhine river landmark buildings urban scenery outdoor clear sky city view urban development cathedral view bridge hohenzollern bridge view weather conditions travel experience