Supertree Grove in the Gardens by the Bay, a futuristic botanical gardens and park, Marina Bay, Singapore, Southeast Asia, Asia

Skyline and Corniche, Al Markaziyah district, Abu Dhabi, United Arab Emirates, Middle East

Millennium Bridge with St. Paul's Cathedral, London, England, United Kingdom, Europe

The lotus flower shaped ArtScience Museum overlooking Marina Bay with the city skyline beyond illuminated at night, Singapore, Southeast Asia, Asia

City of London skyline with Tate Modern art gallery in the foreground, London, England, United Kingdom, Europe

High view of St. Paul's Cathedral and City of London skyline with River Thames and Millennium Bridge in foreground, London, England, United Kingdom, Europe

Pamplemousse Botanical Gardens, Mauritius

Traditional junk boat on Victoria Harbour with city skyline behind, Hong Kong, China, Asia

Sri Mariamman temple and Masjid Jamae (Chulia) mosque in South Bridge Road, Chinatown, Singapore, Southeast Asia, Asia

Brooklyn Bridge and Manhattan skyline at dusk, viewed from the East River, New York City, United States of America, North America

Chicago Theatre, North State Street, Chicago, Illinois, United States of America, North America

Advertising signs on a busy street in the popular shopping area of Mong Kok (Mongkok), Kowloon, Hong Kong, China, Asia

A busy street in Mong Kok (Mongkok), Kowloon, Hong Kong, China, Asia

Burj Khalifa Light and Laser Show, Dubai Mall and Burj Khalifa Lake, Dubai, United Arab Emirates, Middle East

Union flags flying in Regent Street, London, W1, England, United Kingdom, Europe

Tourist boat on a canal, Amsterdam, North Holland, The Netherlands, Europe

Oude Kerk (Old Church), the oldest building oin the city dates from 1306, Amsterdam, North Holland, The Netherlands, Europe

Loggos (Longos), Paxos, Ionian Islands, Greek Islands, Greece, Europe

Pretty window detail, Loggos (Longos), Paxos, Ionian Islands, Greek Islands, Greece, Europe

Taverna table and chairs, Gaios, Paxos, Ionian Islands, Greek Islands, Greece, Europe

White Mountains National Forest, New Hampshire, New England, USA

Moss Glen Falls, Green Mountain National Forest, Vermont, USA

The Hoover Dam and Lake Mead from the air, Nevada, USA.

View of Sausalito on the San Francisco Bay, California, USA

South Africa, Cape Winelands. Vineyards near Stellenbosch

Close up of the prow of a traditional painted fishing boat, Albufeira, Algarve, Portugal

View from the Breakwater towards Etihad Towers and Emirates Palace Hotel and beach, Abu Dhabi, United Arab Emirates, Middle East

Water lily garden by the ArtScience Museum with city skyline beyond, Marina Bay, Singapore, Southeast Asia, Asia

Seventy Five Mile Beach with white sand and blue skies, Fraser Island, UNESCO World Heritage Site, Queensland, Australia, Pacific

New Yau Ma Tei Typhoon Shelter and city skyline, viewed from Victoria Peak, Hong Kong, China, Asia

Times Square by night, New York City, United States of America, North America

The Adler Planetarium sundial with Lake Michigan and city skyline beyond, Chicago, Illinois, United States of America, North America

Densely crowded apartment buildings, Hong Kong Island, Hong Kong, China, Asia

Tolerance Bridge, a new pedestrian bridge spanning Dubai Water Canal, Business Bay, Dubai, United Arab Emirates, Middle East

A tourist boat on Brouwersgracht, Amsterdam, North Holland, The Netherlands, Europe

Oude Kerk (Old Church), the oldest building in the city dates from 1306, Amsterdam, North Holland, The Netherlands, Europe

Reflections in a building on Orchard Road, one of the main shopping areas of Singapore

The Bank of China Building, Central, Hong Kong, China, Asia

The Sydney Opera House, Sydney, New South Wales, Australia

Old Sturbridge Village - A living museum recreating life in the 1830's, Massachusetts, USA

The TransAmerica Pyramid, at 260m the tallest building in San Francisco, California, USA

Portland, Maine, USA

Kuanyin, the Goddess of Mercy, Temple Garden in Repulse Bay, Hong Kong, China

City skyline, Sydney, New South Wales, Australia

Garden Route, Outeniqua Choo-Tjoe on Kaimaans River Bridge, South Africa

Bullfighter tatue outside building, Ronda, Andalucia, Spain

Bald Cypress Swamp in the Corkscrew Swamp Sanctuary near Naples, Florida, USA

Trinity Church (1726), Newport, Rhode Island, USA

Harvard University, Boston, Massachusetts, USA

Sausalito, a town on San Francisco Bay in Marin County, with the San Francisco city skyline in the distance, California, United States of America (U.S.A.), North America

Masdar City, a carbon neutral building project relying on solar energy and other renewable power sources. Abu Dhabi, United Arab Emirates, Middle East

Supertree Grove in the Gardens by the Bay, a futuristic botanical gardens and park, Marina Bay, Singapore, Southeast Asia, Asia

Big Ben (the Elizabeth Tower) and busy traffic on Westminster Bridge at dusk, London, England, United Kingdom, Europe

Hong Kong Park Aviary in Central, Hong Kong Island, Hong Kong, China, Asia

A rainy day in Causeway Bay, Hong Kong Island, Hong Kong, China, Asia

City skyline viewed from Victoria Peak by night, Hong Kong, China, Asia

A busy market street in Mong Kok (Mongkok), Kowloon, Hong Kong, China, Asia

Dubai Marina, Dubai, United Arab Emirates, Middle East

Burj Khalifa and Lake, Downtown, Dubai, United Arab Emirates, Middle East

Vondel Park, Amsterdam, North Holland, The Netherlands, Europe

Royal Palace, Dam Square, Amsterdam, North Holland, The Netherlands, Europe

Cyclists on a bridge over Brouwersgracht, Amsterdam, North Holland, The Netherlands, Europe

The pretty town of Gaios, the main port and harbour on the island, Paxos, Ionian Islands, Greek Islands, Greece, Europe

The pretty town of Gaios, the main port and harbour on the island, Paxos, Ionian Islands, Greek Islands, Greece, Europe

The Heads, Knysna, Garden Route, Cape Province, South Africa, Africa

The Ottauquechee River, Quechee Gorge, Vermont, USA

Red Rock Canyon, Spring Mountains, 15 miles west of Las Vegas in the Mojave Desert, Nevada, USA

Fishing floats hanging in porch of old house in Key West, Florida, USA

Plettenberg Bay, Cape Province, South Africa

Cape Town with Table Mountain behind, South Africa

Vineyard, Stellenbosch, Cape Winelands, South Africa

Temple doors, Thian Hock Keng Temple, the oldest and most important Hokkien temple in Singapore, known as the Temple of the Goddess of the Sea, Singapore

Embudu, South Male Atoll, Maldive Islands, Indian Ocean

Dexter's Grist Mill, built in 1654 restored 1961, Sandwich, Cape Cod, Massachusetts, USA

Flatiron Building, Fifth Avenue and Broadway, Manhattan, New York City, New York, United States of America, North America

Statue of George Washington standing outside the Federal Hall, Wall Street, New York City, New York, United States of America, North America

Corniche beach, Abu Dhabi, United Arab Emirates, Middle East

Burj Al Arab, Jumeirah Beach, Dubai, United Arab Emirates, Middle East

Fontaine du Soleil, Place Messina, Old Town, Nice, Alpes-Maritimes, Cote d'Azur, Provence, French Riviera, France, Mediterranean, Europe

High view of London skyline at night along the River Thames from Tower Bridge to Canary Wharf, London, England, United Kingdom, Europe

Big Ben, the Palace of Westminster, UNESCO World Heritage Site, and Westminster Bridge, London, England, United Kingdom, Europe

Manhattan skyline and Empire State Building, New York City, United States of America, North America

Herengracht Canal, Amsterdam, Netherlands, Europe

A busy market street in Mong Kok (Mongkok) lit up at dusk, Kowloon, Hong Kong, China, Asia

Star Ferries, Victoria Harbour, Hong Kong, China, Asia

An aerial walkway in Central, Hong Kong's financial district, Hong Kong, China, Asia

20 Fenchurch Street Building, nicknamed the Walkie Talkie due to its distinctive shape, City of London, London, England, United Kingdom, Europe

Bank of England viewed from the Royal Exchange, City of London, London, England, United Kingdom, Europe

Bank of England, City of London, London, England, United Kingdom, Europe

Colourful rugs and carpets for sale in Al Fahidi Historic Neighbourhood, Bur Dubai, Dubai, United Arab Emirates, Middle East

Voorburgwal and St. Nicholas Church (St. Nicolaaskerk), Amsterdam, North Holland, The Netherlands, Europe

The pretty town of Gaios, the main port and harbour on the island, Paxos, Ionian Islands, Greek Islands, Greece, Europe

Volterra, Tuscany, Italy, Europe

Scenic railway, Cairns to Kuranda, Queensland, Australia

Railway station, Kuranda, Queensland, Australia

Restored Chinese houses near Tanjong Pagar, Singapore

Near Kennebunkport, Maine, USA

Old Sturbridge Village - A living museum recreating life in the 1830's, Massachusetts, USA

Cape Dutch architecture, early 19th c. Stellenbosch, South Africa

V & A Waterfront with Table Mountain, Cape Town, South Africa