Common tube-nosed fruit bats (Nyctimene albiventer), in the air over Pulau Panaki, Raja Ampat, Indonesia, Southeast Asia, Asia

Common tube-nosed fruit bats (Nyctimene albiventer), in the air over Pulau Panaki, Raja Ampat, Indonesia, Southeast Asia, Asia

Common tube-nosed fruit bats (Nyctimene albiventer), in the air over Pulau Panaki, Raja Ampat, Indonesia, Southeast Asia, Asia

Air Force Memorial, Arlington, Virginia, United States of America, North America

Interior of a farmhouse, Open Air Museum in Lehde, UNESCO Biosphere Reserve, Spree Forest, Brandenburg, Germany, Europe

Bagan terracotta temples, Htilominlo temple in the distance, in morning sunshine, seen from the air, Bagan (Pagan), Mandalay Division, Myanmar (Burma), Asia

Beach at sunset, Gili Air, Gili Islands, Lombok Region, Indonesia, Southeast Asia, Asia

Traditional dressed Tuaregs, Oasis of Timia, Air Mountains, Niger, Africa

Jebel Ikmah, largest open air library, Al Ula, Kingdom of Saudi Arabia, Middle East

Hot air balloon at sunrise over a temple, Bagan (Pagan), Myanmar (Burma), Asia

Common tube-nosed fruit bats (Nyctimene albiventer), in the air on Pulau Panaki, Raja Ampat, Indonesia, Southeast Asia, Asia

Dawn over ancient temples from hot air balloon, Bagan (Pagan), Central Myanmar, Myanmar (Burma), Asia

Old fire pumps in the Open Air mmuseum in Lehde, UNESCO Biosphere Reserve, Spree Forest, Brandenburg, Germany, Europe

Power pylons stretch into the distance, sun rises through air thick with sand, Suez Canal, Port Said, Egypt, North Africa

A girl leaps into the air at the Salinas Grandes (salt flats) near Purmamarca, Argentina, South America

Aerial over Encinitas from a hot air balloon, California, United States of America, North America

Young woman throwing dried fish in air at market, Hsipaw, Shan State, Myanmar (Burma), Asia

A balloon pilot adjusting the burning gas jets that heat air inside the balloon, during the Bristol International Balloon Fiesta, England, United Kingdom, Europe

UNESCO World Heritage Site, Air Mountains, Niger, Africa

Aerial of the French Fort in the Oasis of Timia, Air Mountains, Niger, Africa

The Smithsonian National Air and Space Museum, The Mall, Washington DC, United States of America, North America

Frescoe, St Basil Chapel, Goreme Open-Air Museum, Goreme, Nevsehir, Turkey

Adult bottlenose dolphin (Tursiops truncatus), leaping into the air near Santa Rosalia, Baja California Sur, Mexico, North America

Swing in the sea on Gili Air, Lombok, Indonesia, Southeast Asia, Asia

Windmill and boat on Zaan River, open-air museum, Zaanse Schans, Zaandam, North Holland, Netherlands, Europe

Timia waterfall, Oasis of Timia, Air Mountains, Niger, Africa

Woman carrying a water container on her head, Oasis of Timia, Air Mountains, Niger, Africa

Artichoke on the plant in the open air, Italy, Europe

Jebel Ikmah, largest open air library, Al Ula, Kingdom of Saudi Arabia, Middle East

Jebel Ikmah, largest open air library, Al Ula, Kingdom of Saudi Arabia, Middle East

Adult green sea turtle (Chelonia mydas), surfing for air near Fernandina Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Zelve Open Air Museum, Aydinli Mahallesi, Cappadocia Region, Nevsehir Province, Anatolia, Turkey, Asia Minor, Asia

River Thames at sunset and the Emirates Air Line Cable Car, East London, England, United Kingdom, Europe

Open air heat pipeline, Anadyr, easternmost city in Russia, Chukotka autonomous Okrug, Russia, Eurasia

Open Air Museum in Lehde, UNESCO Biosphere Reserve, Spree Forest, Brandenburg, Germany, Europe

Boats moored in Gili Air's harbour, Indonesia, Southeast Asia, Asia

Beach at sunset, Gili Air, Gili Islands, Lombok Region, Indonesia, Southeast Asia, Asia

Hot-air balloons flying over the city of Bristol during the Bristol International Balloon Fiesta, Bristol, England, United Kingdom, Europe

A view of the old Bristol docks, no longer commercially active but a tourism attraction, seen from a hot-air balloon, Bristol, England, United Kingdom, Europe

Aerial of the former Tuareg capital of Agadez, Air Mountains, Niger, Africa

Jebel Ikmah, largest open air library, Al Ula, Kingdom of Saudi Arabia, Middle East

Historic wooden buildings, open air museum near Bardufoss, Norway

Common tube-nosed fruit bat (Nyctimene albiventer), in the air over Pulau Panaki, Raja Ampat, Indonesia, Southeast Asia, Asia

Common tube-nosed fruit bats (Nyctimene albiventer), in the air over Pulau Panaki, Raja Ampat, Indonesia, Southeast Asia, Asia

Common tube-nosed fruit bats (Nyctimene albiventer), in the air over Pulau Panaki, Raja Ampat, Indonesia, Southeast Asia, Asia

The Strand with the St. Clement Danes, Central Church of The Royal Air Force, in the background on a sunny day, London, England, United Kingdom, Europe

Windmill at Open Air Museum, Skagen, North Jutland, Denmark, Scandinavia, Europe

Gateway in the grounds of Kek Lok Si Buddhist temple, Air Itam, Georgetown, Penang, Malaysia, Southeast Asia, Asia

Airplane on glacier with mountains in background, The Great Aletsch Glacier, the longest glacier in the Alps, begins on the Jungfraujoch (Top of Europe), Switzerland, Europe

Aerial over Encinitas from a hot air balloon, California, United States of America, North America

Open air cafes, Bryggen, series of Hanseatic buildings, UNESCO World Heritage Site, Bergen, Norway, Scandinavia, Europe

Aerial of the former Tuareg capital of Agadez, Air Mountains, Niger, Africa

Kizlar Monastery (Nunnery), Goreme Open-Air Museum, Goreme, Nevsehir, Turkey

Plane being prepared for flight, Pearson International Airport, Toronto, Ontario, Canada, North America

The Strand with the St. Clement Danes, Central Church of The Royal Air Force, in the background on a sunny day, London, England, United Kingdom, Europe

Aerial of the Timia waterfall, Oasis of Timia, Air Mountains, Niger, Africa

Traditional rural buildings in the open air Village and Folk Art Museum, Bucharest, Romania, Europe

Windmills, open-air museum, Zaanse Schans, Zaandam, North Holland, Netherlands, Europe

UNESCO World Heritage Site, Air Mountains, Niger, Africa

Jebel Ikmah, largest open air library, Al Ula, Kingdom of Saudi Arabia, Middle East

Adult Risso's dolphin (Grampus griseus), leaping into the air in Monterey Bay Marine Sanctuary, California, United States of America, North America

View of fields and trees from hot air balloon, early morning, Chomu district, Rajasthan, India, Asia

Ski parasailing, Zermatt, Switzerland, Europe

Airplane wing against a blue sky at dusk above Cancun, Mexico, North America

Open Air Museum in Lehde, UNESCO Biosphere Reserve, Spree Forest, Brandenburg, Germany, Europe

Germany air pollution from factories by the elbe river

Aerial of the former Tuareg capital of Agadez, Air Mountains, Niger, Africa

Camel carawan in the UNESCO World Heritage Site, Air Mountains, Niger, Africa

Aerial of a dry valley in the UNESCO World Heritage Site, at sunrise, Air Mountains, Niger, Africa

Old temples in Bagan and hot-air balloons at sunrise, UNESCO, Old Bagan, Myanmar

Grand Geyser erupts, forcing steam high into the air, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Amber Palace and Amber village in the Aravali hills, seen from the air, Rajasthan, India, Asia

Hot air balloons flying over fields near Luxor, Egypt, North Africa, Africa

Beach in Gili Air with Lombok in background, Indonesia, Southeast Asia, Asia

Aerial of the former Tuareg capital of Agadez, Air Mountains, Niger, Africa

Old temple in Bagan and hot-air balloons before sunrise, UNESCO, Old Bagan, Myanmar

Adult green sea turtle (Chelonia mydas), surfing for air near Fernandina Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Open air diners in the town square of Binn, Goms Region, Switzerland, Europe

Hot air balloon in the early morning, flying over countryside and the village of Samode, Rajasthan, India, Asia

Cathedral Belfry with hot air balloon, Cathedral Square, Vilnius, Lithuania, Europe

View over the valleys around the Oasis of Timia, Air Mountains, Niger, Africa

A view of the meandering course of the Mara River through the National Reserve from a hot air balloon, Kenya, East Africa, Africa

Trollstigen mountain road from the air, Norway, Scandinavia, Europe

Two hot-air balloons at dawn over Bagan, UNESCO, Bagan, Myanmar

Grand Geyser erupts, forcing steam high into the air, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Traditional open air market in the historic town of Cassis, Cote d'Azur, Provence, France, Europe

Dawn hot air balloon ride, Masai Mara National Reserve, Kenya, East Africa, Africa

Ski parasailing, Zermatt, Switzerland, Europe

Karanlik (Dark) Church, Goreme Open-Air Museum, Goreme, Nevsehir, Turkey

Hot-air balloon at sunrise against mountains, Bagan, Myanmar

Hot-air balloons at sunrise over village near Bagan, Myanmar

River Thames at sunset and the Emirates Air Line Cable Car, East London, England, United Kingdom, Europe

British Airway plane at terminal with baggage being unloaded, Heathrow Airport, London, England, United Kingdom, Europe

British Airway plane at terminal with baggage being unloaded, Heathrow Airport, London, England, United Kingdom, Europe

Trollstigen mountain road from the air, Norway, Scandinavia, Europe

Zelve Open Air Museum, Aydinli Mahallesi, Cappadocia Region, Nevsehir Province, Anatolia, Turkey, Asia Minor, Asia

Traditional sausages for sale in an open air market in the historic town of Cassis, Provence, France, Europe

Workers in costume, the Arbaejarsafn Open Air Museum of traditional housing throughout Iceland, Ellidaar Valley, Reykjavik, Iceland, Polar Regions

Close-up of wall painting (fresco) of St. George, St. Barbara Church, Goreme Open Air Museum, Goreme, UNESCO World Heritage Site, Cappadocia, Anatolia, Turkey, Asia Minor, Asia

Religious wall paintings (frescoes), Sandal Church, Goreme Open Air Museum, Goreme, UNESCO World Heritage Site, Cappadocia, Anatolia, Turkey, Asia Minor, Eurasia