Air Force Palace, Bari waterfront, Bari, Apulia, Italy

Colonial Forum of Tarraco, UNESCO, Tarragona, Catalonia, Spain

Massafra Castle, Massafra, Taranto, Apulia, Italiy

Co-cathedral of Ruvo di Puglia, Ruvo di Puglia, Bari, Apulia, Italy

Basilica de San Vincente, Avila, UNESCO, Castilla y Leon, Spain

La Miroiterie building designed 2006 by Ueli Brauen and Doris Walchli, Le Flon district, Lausanne, Canton of Vaud, Switzerland

The exterior of Duomo di Ascoli Piceno (Cathedral of Ascoli Piceno), Ascoli Piceno, Marche, Italy

Detail of the High Tech pedestrian Helix Bridge with DNA structures, Singapore

Statue in the Garden of Casa Rocca Piccola, Valletta, Malta

Art Deco Buildings, Paseo del Marti, Havana, Cuba

Post Office Building, Croydon, South London, England, United Kingdom, Europe

Ranakpur Jain temple (Chaturmukha Dharana Vihara), Ranakpur, Rajasthan, India

Facade and northern portal (Portal of the Alliance) of the Cathedral, UNESCO World Heritage Site, Chartres, Eure-et-Loir department, Centre-Val-de-Loire region, France, Europe

Wells Cathedral, a 12th century Anglican cathedral dedicated to St. Andrew the Apostle, seat of the Bishop of Bath and Wells, Wells, Somerset, England, United Kingdom, Europe

Auditorio de Tenerife, Santa Cruz, Tenerife, Canary Islands, Spain, Atlantic, Europe

Ruined buildings in Kepodang Street, Old Town of Semarang, Java island, Indonesia, Southeast Asia, Asia

Luentec Tower, Colani-egg on a shaft tower in the Technologiezentrum technology center Luenen-Brambauer, North Rhine-Westphalia, Germany, Europe

Art installation by the Raumlaborberlin, Soap Opera, many hundreds illuminated balloons at a mine shaft, GlueckAuf2010 cultural festival at the start of the European Capital of Culture year, on the site of the Zeche Zollverein mine and coking plant, Essen

Colourfully lit staircase in the former steelworks, Landschaftspark Duisburg Nord landscape park, Ruhrgebiet area, North Rhine-Westphalia, Germany, Europe

Glowing balloon on the grounds of the Zeche Zollverein mine, part of the Schachtzeichen art project of the Kulturhaupstadt-Jahr Ruhr2010 Capital of Culture-year, 311 yellow balloons mark former mine shafts, Oberhausen, Ruhrgebiet area, North Rhine-Westpha

Light art at the SANAA building, Zollverein School, by Eva-Maria Joeressen, at the GlueckAuf2010 cultural festival at the start of the European Capital of Culture year, on the site of the Zeche Zollverein mine and coking plant, Essen, North Rhine-Westphal

Luentec Tower, Colani-egg on a shaft tower in the Technologiezentrum technology center Luenen-Brambauer, North Rhine-Westphalia, Germany, Europe

Green-lit tree trunks and steel wall in the former steelworks, Landschaftspark Duisburg Nord landscape park, Ruhrgebiet area, North Rhine-Westphalia, Germany, Europe

Art installation by the Raumlaborberlin, Soap Opera, many hundreds illuminated balloons at a mine shaft, GlueckAuf2010 cultural festival at the start of the European Capital of Culture year, on the site of the Zeche Zollverein mine and coking plant, Essen

Construction site of the Kranhaeuser buildings on Rheinau port, Rheinau peninsula, Cologne, North Rhine-Westphalia, Germany, Europe

Pipe with wheel in the former steelworks, Landschaftspark Duisburg Nord landscape park, Ruhrgebiet area, North Rhine-Westphalia, Germany, Europe

GlueckAuf2010 cultural festival at the start of the European Capital of Culture year, on the site of the Zeche Zollverein mine and coking plant, Essen, North Rhine-Westphalia, Germany, Europe