The bronze knocker in the shape of a lion head from the gate of the Cologne Cathedral in Germany Stock Photoby Curioso_Travel_Photo2/85
House of Nicholas Copernicus (Dom Mikolaja Kopernika), Torun, Poland Stock Imagesby Curioso_Travel_Photo1/42
Oporto or Porto skyline, Douro river, boats and iron bridge. Portugal, Europe. Stock Photoby StevanZZ3/84
Porto and Dom Luis I bridge as seen from Vila Nova de Gaia, Portugal Stock Photographyby philipus1/103
House of Nicholas Copernicus (Dom Mikolaja Kopernika), Torun, Poland Stock Imageby Curioso_Travel_Photo1/42