Monumento a los dos Congresos, Palacio del Congreso (National Congress Building), Plaza del Congreso, Buenos Aires, Argentina, South America

Terraced farmland above Ambewela, Hill Country, Sri Lanka, Asia

Basilica, Plaza de Armas, Trujillo, Peru, South America

Margherita Theatre Museum, Margherita Theatre, Bari, Apulia, Italy

Southern red-billed hornbill (Tockus rufirostris), Kruger National Park, South Africa, Africa

Priest during Eucharist celebration, Paris, France, Europe

Turquoise waters at Lakes Entrance, Victoria, Australia, Pacific

Colourful glass, ceramic and brass water pipes for sale in the Grand Bazaar, Istanbul, Turkey, Europe, Eurasia

Beach of Seitan Limania washed by turquoise sea nestled inside rock canyons, Akrotiri peninsula, Chania, Crete, Greek Islands, Greece, Europe

Tower Bridge, London, England, United Kingdom, Europe

Overview of Hanoi from the roof of Hong Ngoc hotel in Luang Van Can street, Northern Vietnam, Southeast Asia

Mountain lake Seeli with a view to Fronalpstack, Canton Uri, Lake Lucerne, Switzerland, Europe

Two lion cubs (Panthera leo), one looking at the camera, Tsavo, Kenya, East Africa, Africa

African bush elephant (Loxodonta africana), Tarangire National Park, Tanzania, East Africa, Africa

Oriental carpets for sale, Medina, , Marrakech, Morocco, North Africa

Aerial of the Mesoamerican archaeological site of Cantona, Puebla, Mexico, North America

Portofino, Riviera di Levante, Liguria, Italy, Europe

Statue of an angel in the graveyard of St Mary the Virgin Church in Harefield, Middlesex, UK

Local man wearing straw hat with cockerel standing on his knee, Trinidad, Cuba, West Indies, Central America

Chapel at Fort George, near Inverness, Scotland, United Kingdom, Europe

Grand Canyon, from helicopter, UNESCO World Heritage Site, Arizona, United States of America, North America

India - faces: men of orissa, victims of recent hurricane 2000

Geishas at Jidai Matsuri Festival held annually in November at Sensoji Temple, Asakusa, Tokyo, Japan, Asia

A female Mallard with her newly hatched chicks on Walney Island, Cumbria, England, United Kingdom, Europe

A mother polar bear (Ursus maritimus) with a single cub on ice floes in the Barents Sea, Svalbard Archipelago, Norway

Young man carries girl on her back

Anatomy of a sow. From left to right: the heart, the digestive system with liver, pancreas, spleen and stomach. Underneath the ureters and from left to right : ovaries, oviducts, uterus and vagina. Above, the terminal part of the digestive tube (colon) with the rectum.

Grain Silo, Oregon, United States of America

Road in mountains