Young people sitting in a bar located on an urban staircase in Perugia, Umbria, Italy, Europe

NASA Space Mission Control, Space Centre, Houston, Texas, United States of America, North America

Inishmore (Inishmor), Isles of Aran, Eire (Ireland), Europe

Buddhist monk, That Chomsi, Phu Si hill, Luang Prabang, Laos, Indochina, Southeast Asia, Asia

Man painting pottery vase, potters village of Safi, Atlantic coast, Morocco, North Africa, Africa

Rice terraces in centre of the island, Bali, Indonesia, Southeast Asia, Asia

Working with glass crystal, crystal glass works of Baccarat, Meurthe-et-Moselle, Lorraine, France, Europe

Farmers and buffalo, Karnataka, India, Asia

Mural on wall in Orgosolo, Sardinia, Italy, Europe

Racing buffalo pulling plough at Kota Belud festival in November, Sabah, Malaysia, island of Borneo, Southeast Asia, Asia

Plant nursery, Ziziga, Ethiopia, Africa

Sand sculptor, Copacabana, Rio de Janeiro, Brazil, South America

Local children, Yakawlang, Afghanistan, Asia

Ribadesella, Asturias, Spain, Europe

Fisherman mending nets on quayside at Katapola, island of Amorgos, Cyclades, Greece, Europe

Swiss Guard at the Vatican, Rome, Lazio, Italy, Europe

Carnival costumes, Venice, Veneto, Italy, Europe

Local artist with his Tingatinga paintings, Zanzibar, Tanzania, East Africa, Africa

Fisherman on beach, Zanzibar, Tanzania, East Africa, Africa

Fruit and vegetable market at Scarborough, Tobago, West Indies, Caribbean, Central America

Detail of the sarcophagus of Alexander the Great, Istanbul Museum, Turkey, Europe, Eurasia

Tuareg man, Algeria, North Africa, Africa

Tourists catching a Tuk-tuk near Khao San road in Bangkok, Thailand, Southeast Asia, Asia

Voodoo ceremony in Dogondoutchi, Niger, West Africa, Africa

Voodoo ceremony in Dogondoutchi, Niger, West Africa, Africa

Street food in Kuanxiangzi Alley, Chengdu, Sichuan Province, People's Republic of China, Asia

Fishmonger in Belem fish market in the Amazon, Para, Brazil, South America

Pope Francis arrives for his weekly general audience in St. Peter's Square at the Vatican, Rome, Lazio, Italy, Europe

A man cycling though an arched street in the historic center of Pingyao, UNESCO World Heritage Site, Shanxi Province, China, Asia

Tourists watching Masai giraffe (Giraffa camelopardalis tippelskirchi), Masai Mara National Reserve, Kenya, East Africa, Africa

Koshti, traditional ritual training course for warriors in the Yazd Zourkhaneh, gymnasium or House of Strength, Yazd, Iran, Middle East

Mosque of Sultan Hassan in Cairo, Egypt

Military parade at the Pardo Palace, the King's Palace, in Madrid

Dancer, Bhaktapur, Nepal

Tourist, Gavi, Kerala, India, Asia

Flower stall on street by Brandenburg Gate, Potsdam, Germany, Europe

Hindu holy men at Pashupati Temple, UNESCO World Heritage Site, Kathmandu, Nepal, Asia

Olives in the market, Corfu, Greece, Europe

Men dancing at a tribal festival, Southern Chad, Africa

Men dancing at a tribal festival, Southern Chad, Africa

Tourists near Khao San road in Bangkok, Thailand, Southeast Asia, Asia

A boy harvests long beans in the Chittagong Hill Tracts, Bangladesh, Asia

Pangalanes Lakes canal system, fishing nets, Tamatave, eastern area, Madagascar, Africa

Panorama of cyclist with mountain bike framed by crocus in bloom, Albaredo Valley, Orobie Alps, Valtellina, Lombardy, Italy, Europe

Accordion folk band, Old Domancy craft festival, Haute-Savoie, France, Europe

Catholic Mass, Eucharist celebration, France, Europe

Buddhist monks on morning alms round in Western Cambodia, Indochina, Southeast Asia, Asia

Tour group at Old City Wall, Old City, Old City, UNESCO World Heritage Site, Jerusalem, Israel, Middle East

Aerial view of the Cloud surfing break at Tavarua, near Viti Levu, Republic of Fiji, South Pacific Islands, Pacific

Fisherman on Mahatma Gandhi Beach, Fort Kochi (Cochin), Kerala, India, Asia

A Russian soldier in Red Square, Moscow, Russia, Europe

The village of Komi, Tinos Island, Cyclades, Greek Islands, Greece, Europe

Roasted Chestnut Vendors, Cologne Christmas Market, Cologne, North Rhine-Westphalia, Germany, Europe

Path through Krka National Park, Dalmatia, Croatia, Europe

Child at Ilakaka sapphire mines, Ilakaka, Fianarantsoa province, Ihorombe Region, Southern Madagascar, Africa

Floating Harbour with Hotwells behind, Bristol, England, United Kingdom, Europe

View of busy restaurant and Cathedral of St. Anastasia, Zadar, Zadar county, Dalmatia region, Croatia, Europe

Jama Masjid Mosque, New Delhi, India, Asia

Paraglider taking off at Mount Caburn, near Lewes, East Sussex, England, United Kingdom, Europe

Men unload cargo from ferry at this coral fringed holiday island and scuba diving destination. Bunaken, North Sulawesi, Indonesia, Southeast Asia, Asia

Soldiers guarding Monument to the Unknown Soldier, Athens, Attica, Greece, Europe

Fish stall, Essaouira, Morocco, North Africa, Africa

Man walking down mountain road, between Herat and Maimana, after Subzak Pass, Afghanistan, Asia

1000 Miglia, parade of historic cars between two wings of the crowd, Novara, Piedmont, Italy, Europe

Man at work in horticulture, Flower factory, production of roses, Dalat, Vietnam, Indochina, Southeast Asia, Asia

Building facades in evening light, Cienfuegos, Cuba, West Indies, Central America

The Cloth Hall (Sukiennice), Main Market Square (Rynek Glowny), Old Town District (Stare Miasto), Krakow (Cracow), UNESCO World Heritage Site, Poland, Europe

Christian pilgrims, Easter festival, Sainte Marie de Sion (St. Mary of Zion), Axoum (Axum) (Aksum), Tigre region, Ethiopia, Africa

Portrait of a young man holding a sickle, Oromo country, Bako region, Shoa state, Ethiopia, Africa

Child with water buffalo, Ayeyarwaddy Division, Myanmar (Burma), Asia

People browsing in Bloemenmarkt, Amsterdam, Netherlands, Europe

Commuters and buses on Waterloo Bridge, London, England, United Kingdom, Europe

Alberto Korda, photograph of revolutionary and author Ernesto Che Guevara, Havana, Cuba, West Indies, Central America

Kavadis holding procession, Festival of Purification, Singapore, Asia

The White Tower, Tower of London, UNESCO World Heritage Site, London, England, United Kingdom, Europe

Oviedo, Asturias, Spain, Europe

Couple walking, British Camp, Hereford Beacon, Malvern Hills, Herefordshire, Midlands, England, United Kingdom, Europe

Fish market, Vieux Port, Marseille, Bouches du Rhone, Provence, France, Europe

Shopping in the market hall, Faro, Portugal, Europe

Smith in front of his workshop, Soframbolu, Turkey, Eurasia

Man rowing on River Thames near Rowing Club, Marlow suspension bridge in background, Marlow, Buckinghamshire, England, United Kingdom, Europe

Street boy selling necklaces at the Shrine of Hazrat Ali, Mazar-I-Sharif, Balkh province, Afghanistan, Asia

Customers at Christmas market in Piazza Walther, Bolzano, Italy, Europe

The crafts town of Sarchi famous for its decorative painting and ox carts, Central Highlands, Costa Rica, Central America

Young Indians in an autorickshaw near Dediapada, Gujarat, India, Asia

Christmas Market in Nyhavn, Copenhagen, Denmark, Scandinavia, Europe

Koshti, traditional ritual training course for warriors in the Yazd Zourkhaneh, gymnasium or House of Strength, Yazd, Iran, Middle East

Akita Kanto lantern festival, Akita Prefecture, Tohoku, Honshu, Japan, Asia

Kleine Markthalle, Frankfurt am Main, Hesse, Germany, Europe

Fishing boat at Ashtamudi Lake, Kollam, Kerala, India, Asia

Flower vendors, Delhi, India, Asia

Man walking past de Barra bar in Timoleague, West Cork, Ireland

Indian man in Old Delhi at Daryagang market, India

Buddhist monk passes prayer flags at Mulagandhakuti Vihara Temple at Sarnath near Varanasi, Benares, Northern India

Armed Guard in Qatar, The Gulf States

Male Wheatear bird, Oenanthe oenanthe, on old log in Gloucestershire, UK

Archer at archery festival, Paro, Bhutan

Man in boat at Lake Sandoval, Peruvian Rainforest, South America

Man in a rowing boat on Lake Sandoval, Peruvian Rainforest, South America

African elephant (Loxodonta africana), as seen from game drive vehicle in the Okavango Delta, Botswana, Africa