R'Cif Square (Place Er-Rsif), Fez, Morocco, North Africa, Africa

Border guards at the conference room, DMZ (Demilitarized Zone) on the border of North and South Korea, South Korea, Asia

Tanneries, Fez, Morocco, North Africa, Africa

Dolac, market square, Zagreb, Croatia, Europe

Guinean flag on a boat, Conakry, Republic of Guinea, West Africa, Africa

Banana boats transporting people on the outer islands of Manus, Admiralty Islands, Papua New Guinea, Pacific

India Gate at night, New Delhi, India, Asia

Johan Cruyff Arena, Amsterdam, North Holland, Netherlands, Europe

Local fishing boats in the harbour of Conakry, Republic of Guinea, West Africa, Africa

Man on his little boat before the former slave colony on Bunce island, Sierra Leone, West Africa, Africa

Banana islands, Sierra Leone, West Africa, Africa

The old town hall and Our Lady before Tyn Church at dawn, UNESCO World Heritage Site, Prague, Bohemia, Czech Republic, Europe

Staromestske namesti (Old Town Square) and Our Lady before Tyn Church in spring, UNESCO World Heritage Site, Prague, Bohemia, Czech Republic, Europe

Sultan Abdul Samad Building in Kuala Lumpur, Malaysia, Southeast Asia, Asia

Looking down on the village of Obergurgl sat at the top of the Otztal valley as skiers ascend the mountain on chairlifts, Tyrol, Austrian Alps, Austria, Europe

View of Ban Jelacic Square and Cathedral of the Assumption of the Blessed Virgin Mary, Zagreb, Croatia, Europe

Freetown, Sierra Leone, West Africa, Africa

View over the slums of Freetown, Sierra Leone, West Africa, Africa

Lumley Beach at sunset, Freetown, Sierra Leone, West Africa, Africa

Colonial building in downtown Freetown, Sierra Leone, West Africa, Africa

Freetown, Sierra Leone, West Africa, Africa

Oriente train station at the blue hour, Parque das Nacoes, Lisbon, Portugal, Europe

Infinity pool on the roof of the Marina Bay Sands Hotel with spectacular views over the Singapore skyline at sunset, Singapore, Southeast Asia, Asia

Men gossiping in the souk, Jibla, Yemen, Middle East

Surp Grigor Lusavorich Yekeghetsi Cathedral, the largest Armenian church in the world, Yerevan, Armenia, Central Asia, Asia

Hikers descend from Pen-Y-Fan summit in The Brecon Beacons National Park, Powys, Wales, United Kingdom, Europe

Hikers set off from Pen Y Pass in winter to climb Mount Snowdon in Snowdonia National Park, Gwynedd, Wales, United Kingdom, Europe

Men practising a traditional Buzkashi game, Yaklawang, Afghanistan, Asia

Bazar-e Vakil (Vakil bazaar), Interior, Shiraz, Iran, Middle East

Hikers on Mount Rysy, 2499m, the highest point in Poland, Zakopane, Carpathian Mountains, Poland, Europe

Evzone soldier, Changing of the Guard, Syntagma Square, Athens, Greece, Europe

Hikers admire the peaks of Forcella De Furcia at sunrise, Funes Valley, South Tyrol, Dolomites, Italy, Europe

Fishing on the ice, Maloe More (Little Sea), frozen lake during winter, Olkhon island, Lake Baikal, UNESCO World Heritage Site, Irkutsk Oblast, Siberia, Russia, Eurasia

Long Horn Miao girls in traditional costumes celebrating summer Festival, around Zhijian, Guizhou Province, China, Asia

Sadhus (holy men), ghats, Varanasi, Uttar Pradesh, India, Asia

Priest washing hands, Catholic Mass, La Roche-sur-Foron, Haute-Savoie, France, Europe

Thurible, Catholic Mass, La Roche-sur-Foron, Haute-Savoie, France, Europe

Holy Communion, Catholic Mass, Haute-Savoie, France, Europe

Porter in the Old Quarter, Hanoi, Vietnam, Indochina, Southeast Asia, Asia

Floating market of Cai Rang, Can Tho, Mekong Delta, Vietnam, Indochina, Southeast Asia, Asia

Kecak (Monkey Dance), created by German artist and choreographer Walter Spies in the 1930s drawing on elements of the Hindu epic the Ramayana, Bali, Indonesia, Southeast Asia, Asia

Tea harvesting at BOH Tea Plantation, in Cameron Highlands, Malaysia, Southeast Asia, Asia

Waiter with tray of cocktails

Emerald Bay, Pangkor Laut, Malaysia, Southeast Asia, Asia

View of Ban Jelacic Square, Zagreb, Croatia, Europe

Portuguese architecture, Bissau, Guinea Bissau, West Africa, Africa

Old Portuguese architecture, Bissau, Guinea Bissau, West Africa, Africa

Old decaying Portuguese architecture, Bissau, Guinea Bissau, West Africa, Africa

View over the Empire Square at nightime, Bissau, Guinea Bissau, West Africa, Africa

Republican Palace, Bissau, Guinea Bissau, West Africa, Africa

Dune buggy in a desert near Huacachina, Ica region, Peru, South America

A couple look towards the Eiffel Tower, Paris, France, Europe

Greek traditional dancing in blurred motion, Greece, Europe

Couple relaxing in hammock, Maldives, Indian Ocean, Asia

Couple relaxing in hammock, Maldives, Indian Ocean, Asia

Musicians on boat to Isla Janitzio, Michoacan, Mexico, North America

Hikers on Pipiwai trail in bamboo forest, Haleakala National Park, Maui Island, Hawaii, United States of America, North America

Hikers on Pipiwai trail in bamboo forest, Haleakala National Park, Maui Island, Hawaii, United States of America, North America

One of the 100 men of Another Place, also known as The Iron Men, statues by Antony Gormley, Crosby Beach near Liverpool, Merseyside, England, United Kingdom, Europe

Two of the 100 men of Another Place, also known as the Iron Men, tatues by Antony Gormley, Crosby Beach near Liverpool, Merseyside, England, United Kingdom, Europe

One of the 100 men of Another Place, also known as The Iron Men, statues by Antony Gormley, Crosby Beach near Liverpool, Merseyside, England, United Kingdom, Europe

Men in dugout canoe near Devil Island, Comarca de Kuna Yala, San Blas Islands, Panama, Central America

Shar Park and Qaysari Bazaar, Erbil, Kurdistan, Iraq, Middle East

Window adorned for Holy Week Procession, Antigua, Guatemala, Central America

Clock tower in Shar Park, Erbil, Kurdistan, Iraq, Middle East

Keur Moussa Abbey refectory, Keur Moussa, Senegal, West Africa, Africa

Friday prayer at Baitul Futuh mosque, London, England, United Kingdom, Euruope

Buddhist monk drawing a mandala, Paris, Ile de France, France, Europe

Textile souk, Bur Dubai, Dubai, United Arab Emirates, Middle East

Textile souk, Bur Dubai, Dubai, United Arab Emirates, Middle East

Celebration in Paris cathedral, Paris, France, Europe

Pilgrims touching the Lourdes grotto, Lourdes, Hautes Pyrenees, France, Europe

Catholic priest, Lourdes, Hautes Pyrenees, France, Europe

Egyptian Orthodox Coptic priest showing cross, Jerusalem, Israel, Middle East

Swiss guards parading, Vatican, Rome, Lazio, Italy, Europe

Friday prayers, Masjid Kampung Mosque, Kuala Lumpur, Malaysia, Southeast Asia, Asia

A bustling Nguyen Thai Hoc street in Hoi An, Vietnam, Indochina, Southeast Asia, Asia

Monk reading the Bible, Evian, Haute Savoie, France, Europe

Swiss Guard's uniform, Vatican, Rome, Lazio, Italy, Europe

Masai performing warrior dance, Masai Mara, Kenya, East Africa, Africa

Orthodox monk's scapular, Mount Athos, Greece, Europe

Swiss Guards parading, Vatican, Rome, Lazio, Italy, Europe

Orthodox monk's prayer book, Mount Athos, Greece, Europe

Strong walls of Ichon-Qala (Itchan Kala) Fortress, UNESCO World Heritage Site, Khiva, Uzbekistan, Central Asia

Young man windsurfing near tropical island and lagoon in the Maldives, Indian Ocean

Diver swimming underwater with Bigeye trevally (Caranx sexfasciatus) (jacks) at Sipadan Island, Celebes Sea, Sabah, Malaysia, Southeast Asia, Asia

Sea plane and yacht, Hamilton Island, Great Barrier Reef, Queensland, Australia, Pacific

Mayan ruins overlooking the Caribbean Sea and beach at Tulum, Quintana Roo State, Yucatan Peninsula, Mexico, North America

Life guard, Avalon Beach, New South Wales, Australia, Pacific

Champions regatta on gondolini during the Regata Storica 2009, Venice, Veneto, Italy, Europe

Bar street, Melaka (Malacca), Melaka State, Malaysia, Southeast Asia, Asia

Couple at the beach, Baa atoll, Maldives, Indian Ocean, Asia

Beach fisherman, China Beach, Da Nang, Vietnam, Indochina, Southeast Asia, Asia

The Galleria Vittorio Emanuele II in central Milan, Lombardy, Italy, Europe

Monk inside Shidoden Memorial Hall at Eiheiji Temple, headquarters of the Soto sect of Zen Buddhism, Fukui, Japan

Frida Kahlo museum, Coyoacan, Mexico City, Mexico, North America

Monk inside Eiheiji Temple, headquarters of the Soto sect of Zen Buddhism, Fukui, Japan

Man walking along a street with sun rays shining through a tree, Highlands, Myanmar (Burma)

Series 300 Shinkansen bullet trains waiting at Tokyo Station, Tokyo, Japan

Couple at the beach, Baa atoll, Maldives, Indian Ocean, Asia