"Cologne Cathedral and Philharmonie philharmonic hall at night, illuminated, Cologne, North Rhine-Westphalia, Germany, Europe"

Altar room, Aachen Cathedral, Aachen, North Rhine-Westphalia, Germany, Europe

City panorama of Cologne at night, cathedral, Philharmonic, Great St. Martin Church, City Hall, Colonius, Rhine, Cologne, North Rhine-Westphalia, Germany, Europe

"Cologne Cathedral with Hohenzollern Bridge and Cologne Philharmonic Hall at dusk, the Rhine at the front, Cologne, North Rhine-Westphalia, Germany, Europe"

Ceiling mosaic Civitas Dei, Aachen Cathedral, Aachen, North Rhine-Westphalia, Germany, Europe

"View over the Rhine to the historic centre with Cologne Cathedral, Great St. Martin Church and City Hall, Cologne, North Rhine-Westphalia, Germany, Europe"

"Frankenplatz square, Museum Ludwig, Dom, Cologne, North Rhine-Westphalia, Germany, Europe, PublicGround, Europe"

"Great St. Martin Church, Town Hall, old town bank of the Rhine, Cologne, Rhineland, North Rhine-Westphalia, Germany, Europe"

"Historic centre with Cathedral, Great St. Martin Church, Colonius, WDR building, City Hall, and Hohenzollern Bridge, the Rhine at the front, dusk, Cologne, North Rhine-Westphalia, Germany, Europe"

Dome, Octagon with ceiling mosaic in Aachen Cathedral, Aachen, North Rhine-Westphalia, Germany, Europe

"Cologne Cathedral, old town hall, churches Great Saint Martin and St. Mary's Assumption, with the Cologne Philharmonic Hall, across the Rhine from Cologne-Deutz, Cologne, North Rhine-Westphalia, Germany, Europe"

City view with Rhine, town hall tower, church Groß Sankt Martin and Cologne Cathedral, old town, Cologne, North Rhine-Westphalia, Germany, Europe

"Choir Hall, stained-glass windows, Aachen Cathedral, Unesco World Heritage Site, North Rhine-Westphalia, Germany, Europe"