Cologne Cathedral and Hohenzoller Bridge over River Rhine in Cologne city at dusk. Livraria Lello, Oporto city, Porto district, Portugal, Europe Port wine boats on Douro River. Oporto city, Porto district, Portugal, Europe Italy, Lombardy, Alps, Adamello Brenta Natural Park, Aviolo Lake In Adamello Park Porto at sunset with a train on Louis I bridge on Douro River Bergamo Upper Town in the clouds, Lombardy district, Italy, Europe Italy, Lombardy, Bergamo District, Bergamo, Bergamo Upper Town With Sea Clouds The city hall in Unita d'Italia square in Trieste in Christmas time at dusk, Italy Porto old town, Oporto city, Porto district, Portugal, Europe The sunset above the clouds over Prealpi Orobiche, Lombardy, Italy