Lights at St Marks Square in December, Venice, Italy

San Gimignano, known as the Town of Fine Towers, Siena province, Tuscany, Italy.

San Gimignano, known as the Town of Fine Towers, Siena province, Tuscany, Italy.

Procida island skyline, Gulf of Naples, Naples province, Campania, Italy.

Cathedral of Saint Mary of Burgos and city skyline, Burgos, Castile and Leon, Spain

Basilica of Saint Mary Major or Basilica di Santa Maria Maggiore, Rome, Lazio, Italy

View over St. Peter's Basilica, Rome, Lazio, Italy

El Capitolio and Paseo del Prado at dusk, elevated view, Havana, La Habana Province, Cuba

El Capitolio and Paseo del Prado at sunset, elevated view, Havana, La Habana Province, Cuba

Skyline of Wan Chai on Hong Kong Island at sunset, Hong Kong

Lion Pavilion on Victoria Peak and skyline at sunset, Hong Kong

Sail of junk boat and skyline of Hong Kong Island, Hong Kong

Sail of junk boat and skyline of Hong Kong Island, Hong Kong

Italy, Lombardy, Milan, Simplon Park (Parco Sempione) and Sforza Castle (Castello Sforzesco)

Italy, Lombardy, Milan, Simplon Park (Parco Sempione) and Sforza Castle (Castello Sforzesco)

Skyline of Hong Kong Island and Kowloon at dusk, Hong Kong

Peak Tower and skyline at dusk, Hong Kong

Skyline of Hong Kong Island and Kowloon, Hong Kong

The bridge to Sankt Nikolaus district in Innsbruck at dawn, Tyrol, Austria, Europe

The Angel sculpture besides the Yarra River. Melbourne CBD, Melbourne, Victoria, Australia

The Squire's Landing Brewery and Sydney Opera House at Campbells Cove, Circular Quay. Sydney Harbour, Sydney, New South Wales, Australia

Henley Reserve, Melbourne Skyline and Yarra River. Melbourne CBD, Melbourne, Victoria, Australia

Skyline of Shenzhen from Sheung Shui at sunset, New Territories, Hong Kong

Italy. Umbria. Perugia. The historical centre of the town of Perugia.

National Capitol building (El Capitolio) in the evening, Centro Habana Province, Havana, Cuba

Cityscape, old town, Ouro Preto, Minas Gerais state, Brazil

A man admiring Manhattan skyline at sunrise, New York, USA

Manhattan skyline with the Empire State Building, New York City, USA.

View of Manhattan from Queens train station, Manhattan, New York City, USA

Colorful Houses at Las Palmas. Gran Canaria, Canary Islands, Spain

Aerial view of Cudillero, Asturias, Spain

View of the ruins of Fori Imperiali from the Campidoglio at dawn. Rome, Rome district, Lazio, Italy.

Basilica di Santa Maria della Salute at dusk, Venice, Veneto, Italy

Evening at the old town square with the church of Saint Nicholas, Prague, Czech Republic

Walking down the stairs to Mala Strana district, Prague, Czech Republic

Skyline of Hong Kong Island and Kowloon, Hong Kong

Sunrise at Park Guell, Barcelona, Catalonia, Spain

City skyline and Cathedral of the Holy Cross and Saint Eulalia, Barcelona, Catalonia, Spain

Apartment blocks at dusk, Kowloon, Hong Kong

Kowloon and Hong Kong Island at sunset, Hong Kong

China, Hong Kong, Victoria Harbour and Hong Kong Island skyline

China, Hong Kong, Victoria Harbour and Hong Kong Island skyline

China, Hong Kong, Hong Kong Island, International Finance Center

Skyscrapers of Chaoyang business district from Jingshan Park at sunrise, Beijing, China

Skyline of Pudong at sunrise, Shanghai, China

Aerial view of colored buildings in the old city of Las Palmas. Gran Canaria, Canary Islands, Spain

Young woman admiring the enchanting hilltop city of Ragusa Ibla from the stairs of Santa maria delle Scale church, Ragusa, Sicily, Italy (MR)

Portugal, Madeira, Funchal, View of Sao Goncalo Church overlooking Funchal harbour and town

Portugal, Madeira, Funchal, View of Sao Goncalo Church overlooking Funchal harbour and town

Manhattan, New York City, USA. Aerial view of the One World Trade Center, 9/11 Memorial and Manhattan skyline at dusk.

Alesund, More og Romsdal, Norway. Couple admiring the cityscape at sunset from Byrampen lookout.

Ciudad de Mexico (Mexico city), State of Mexico, Mexico. Palacio de Bellas Artes at dusk.

Guanajuato city, Guanajuato state, Mexico. Cityscape and the Basílica Colegiata de Nuestra Senora de Guanajuato.

San Miguel De Allende, Guanajuato state, Mexico

Palacio de Valle at sunrise, elevated view, Cienfuegos, Cienfuegos Province, Cuba