Double decker tram and Blackpool tower, Blackpool Lancashire, England, United Kingdom, Europe

A red double-decker bus on Regent Street in front of BBC Broadcasting House and All Soul's Church, Langham Place, London, England, United Kingdom, Europe

Lights on Tower Bridge over the River Thames with a typical double decker bus, London, England, United Kingdom, Europe

Motion blurred red double decker bus, Houses of Parliament, Big Ben, Westminster Bridge, London, England, United Kingdom, Europe

The double town hall in Rothenburg ob der Tauber, Romantic Road, Franconia, Bavaria, Germany, Europe

Detail of Tower Bridge, with double-decker bus passing through, London, England, Unnited Kingdom, Europe

View of Botha's Hall in the Cango Caves near Oudtshoorn in South Africa's Western Cape Province. To the left of centre is the Double Petrified column, in the centre is the Leaning Tower of Pisa and behind that is the Petrified Weeping Willow. On the right are the Frozen Victoria Falls.

Big Ben and red double-decker bus, London, England, UK

Big Ben and red double-decker bus, London, England, UK

Swan Bells-tower and red sight-seeing tourist bus, Perth, Western Australia, Australia

A church with a double tower stands on a sunny square with a flower bed, Igreja Matriz de Esposende, in front of it a monument by António Rodrigues Sampaio, Esposende, União das Freguesias de Esposende, Marinhas e Gandra, Norte, Portugal, Europe

KLCC Lake Symphony Water Fountain Show, Kuala Lumpur, Malaysia, Asia

Aerial view of the Bosco Vertical, Milan

Mirrored twin towers of Deutsche Bank at dusk, Group Headquarters, Frankfurt am Main, Hesse, Germany, Europe

Cooling tower of a power station, Duesseldorf, NRW, Germany

ESP, Spain, Valencia : Oldtown, Plaza de la Reina, Torre del Miguelete, bell tower of the cathedral

York CitySightseeing, tourist bus, against medieval York with York Minster in the back, Yorkshire, England, United Kingdom, Europe

Fountain in front of illuminated Petronas Twin Towers at night, Kuala Lumpur, Malaysia, Asia

KLCC Lake Symphony Water Fountain Show, Kuala Lumpur, Malaysia, Asia

York CitySightseeing, tourist bus, against medieval York with York Minster in the back, Yorkshire, England, United Kingdom, Europe

Phare de Men Ruz and Villa of Gustave Eiffel with double rainbow, Ploumanac'h, Departement Cotes-d'Armor, France, Europe

Golden double eagle, Russian Memorial Church, erected in memory of the fallen of the Battle of Leipzig in 1813, Saxony, Germany, Europe

Protestant sandstone church with a double tower facade, Wilgartswiesen, Naturpark Pfaelzerwald nature reserve, Palatinate, Rhineland-Palatinate, Germany, Europe

Rote Spitzen at the small pond, Altenburg, Thuringia, Germany, Europe

View of the city from the double bridge, historic Rothenburg ob der Tauber, Bavaria, Germany, Europe

Blurred traffic under Tower Bridge, London.