kranhäuser crane houses at rheinauhafen, river rhine, cologne, north rhine-westphalia

architectural architecture attraction background bavaria bavarian bridge building cathedral catholic central christian church city cityscape cologne colored crane destination dom europe european famous german germany gothic great historic hohenzaller hohenzollern holiday house houses koln kranhacurren user landmark martin medieval north outdoor panorama promenade railway religious rheinauhafen rhine rhineland rhinewestphalia river roman romanesque saint sightseeing street tourism tourist touristic tower town travel urban vacation westphalia