Structure XX, Chicanna, Mayan archaeological site, mixture of Chenes and Rio Bec styles, Late Classic Period, Campeche, Mexico, North America

Abbey of Santo Stefano, Via XX Settembre, Genova (Genoa), Liguria, Italy, Europe

Chac masks, Structure XX, Chicanna, Mayan archaeological site, mixture of Chenes and Rio Bec styles, Late Classic Period, Campeche, Mexico, North America

Abbey of Santo Stefano, Via XX Settembre, Genova (Genoa), Liguria, Italy, Europe

Sacro Monte Calvario, Chapel XX, Orta San Giulio, Piemonte (Piedmont), Italy, Europe

Sacro Monte Calvario, Chapel XX, Orta San Giulio, Piemonte (Piedmont), Italy, Europe

Structure XX, detailed view, Chicanna Archaeological Site, Campeche State, Mexico

Rain God Chac Masks, Structure XX, Mayan Ruins, Chicanna Archaeological Zone, Campeche State, Mexico, North America

Structure XX, Mayan Ruins, Chicanna Archaeological Zone, Campeche State, Mexico, North America

The Olympic Arch of Turin, a pedestrian bridge, symbol of the XX Olympic Winter Games held in 2006, Turin, Piedmont, Italy, Europe

Via XX Setembre, Genoa (Genova), Liguria, Italy, Europe

Statue of Ovid, Piazza XX Settembre, Sulmona, Abruzzo, Italy, Europe

Red Ferrari F599 Xx 2010, Maranello, Emilia-Romagna, Italy, Europe

Early XX century buildings with teddybear near la Rambla, historic city centre, Ciutat Antiga, Palma de Mallorca, Majorca, Balearic Islands, Mediterranean Sea, Spain, Europe

Doppel X prizewinning commercial office building designed by architects Bothe, Richter and Teherani, Heidenkampsweg, Hamburg, Germany

Low angle view of a building, Via XX Settembre, Genoa, Liguria, Italy