Bullock carts, Myanmar, Asia

Camel trek in Sahara dunes near Merzouga, Morocco, North Africa

Sightseeing in Petite Venise, Colmar, Haut-Rhin, Alsace, France, Europe

Tour guide hiking on the ice of Fox Glacier, Westland Tai Poutini National Park, South Island, New Zealand, Pacific

Guide talking to tourists at the Inca fortification of Sacsayhuaman, near Cuzco, Peru, South America

Guide lecturing to tourists in the Great Ball Court (Gran Juego de Pelota), Chichen Itza, UNESCO World Heritage Site, Yucatan, Mexico, North America

A guide accompanies tourists on an early morning hike in Danum Valley, Sabah, Malaysian Borneo, Malaysia, Southeast Asia, Asia

Tourists with guide, The Grand Ball Court (Gran Juego de Pelota), Chichen Itza, UNESCO World Heritage Site, Yucatan, Mexico, North America

Norman-Swabian Castle, Bari, Apulia, Italy

Temple of Castor and Pollux, Valley of Temples, Agrigento, UNESCO, Sicily, Italy

Temple of Heracles, Valley of Temples, Agrigento, UNESCO, Sicily, Italy

De Monti Castle (Castello de Monti), Corigliano d'Otranto, Lecce, Salento, Apulia, Italy

Cathedral Square, Lecce, Salento, Apulia, Italy

Norman Swabian Aragonese Castle, Monte Sant'Angelo, UNESCO, Foggia, Apulia, Italy

Signpost to attractions, old town, Faro, Algarve, Portugal

Train of cogwheel railway at Schynige Platte, Jungfrau Region, Bernese Oberland, Switzerland

Cathedral of Santiago de Compostela (Cathedral of Saint James of Compostela), UNESCO, Santiago de Compostela, Galicia, Spain

Norman Swabian Aragonese Castle, Monte Sant'Angelo, Foggia, Apulia, Italy

Marquis Arch, Polignano a Mare, Bari, Apulia, Italy

Church of San Michele, Barletta, Barletta-Andria-Trani, Apulia, Italy

Porta Marina, Barletta, Barletta-Andria-Trani, Apulia, Italy

De Monti Castle (Castello de Monti), Corigliano d'Otranto, Lecce, Salento, Apulia, Italy

Villa Mellacqua, Santa Maria di Leuca, Castrignano del Capo, Lecce, Salento, Apulia, Italy

Terns being fed by local guide with back tattoo in the shallow waters of Stingray City, Moorea, Society Islands, French Polynesia, South Pacific, Pacific

Map of archaeological site, Chichen Itza, UNESCO World Heritage Site, Yucatan, Mexico, North America

Tourist taking pictures of lioness and cub, Busanga Plains, Kafue National Park, Zambia, Africa

Giant stingray (Dasyatis spp), being fed by local guide in the shallow waters of Stingray City, Society Islands, French Polynesia, South Pacific, Pacific

Tourist, Temple of Luxor, Thebes, UNESCO World Heritage Site, Egypt, North Africa, Africa

Tour guide hiking on the ice of Fox Glacier, Westland Tai Poutini National Park, South Island, New Zealand, Pacific

Sign for interpretation centre, Cueva del Llano, La Oliva, Fuerteventura, Canary Islands, Spain, Atlantic, Europe

Tourists at Garibaldi Glacier, Darwin National Park, Tierra del Fuego, Patagonia, Chile, South America

Game spotting on safari, South Luangwa National Park, Zambia, Africa

Roan antelope and safari vehicles, Busanga Plains, Kafue National Park, Zambia, Africa

Tourist guide at Anvil Rock, Blue Mountains, New South Wales, Australia, Pacific

Giant stingray (Dasyatis spp), being fed by local guide in the shallow waters of Stingray City, Society Islands, French Polynesia, South Pacific, Pacific

Camels and guide, Zaafrane, Tunisia, North Africa

Guide pointing out ancient rock paintings at the Pre-Aksumite settlement of Qohaito (Koloe), Eritrea, Africa

Vioareioi church in the Faroe Islands, Denmark, North Atlantic, Europe

Young guide-card salesman on board a tourist boat heading towards the Temple of Isis, Temple of Philae, Agilkia Island, Aswan, Egypt, North Africa, Africa

Safari guide watching an elephant (Loxodonta africana) with binoculars, Okawango delta, Botswana, Africa

Views of Perugia, Umbria, Italy

Stele in memory of guide Sepp Innerkofler, 1865-1915, near A.Locatelli-S.Innerkofler refuge, Three Peaks Nature Park, Dolomites, South Tyrol, Italy

Mirador de los 4 Postes, Avila, UNESCO, Castilla y Leon, Spain

Guide in the sacred part of Jabal Ithlib area within the Site of Hegra (Madain Salih), UNESCO, AlUla, Medina Province, Saudi Arabia

Iconic Big Ben and Houses of Parliament, UNESCO, Westminster, London, England, United Kingdom

Ornate Building in Valletta, Valletta, Malta

Amer Fort (Amber Fort), Rajasthan, India

Hawa Mahal (Palace of the Winds), Jaipur, Rajasthan, India

Lighthouse of El Morro Castle, Castle of the Three Kings of Morro, UNESCO, Havana, Cuba

Creek running through the picturesque Shanxiabao village, 800 years old, Wuyi County, Jinhua City, Zhejiang Province, China

Mountain bikes and man offering camel ride at foot of Tinfou dunes, near Tamegroute, Draa River valley, Zagora Province, Draa-Tafilalet region, Morocco

Guide explaining geography with a map to a tourist group, in front of the Turkish border and Mount Ararat at Khor Virap Monastery, Ararat plain, Artashat, Armenia, Eurasia

Gothic Cloisters with Baroque Azulejos, Porto Cathedral, UNESCO World Heritage Site, Porto, Norte, Portugal, Europe

View of harbour and the town of Lacco Ameno at sunset, Island of Ischia, Campania, Italy, Europe

Groznjan, Istria, Croatia

Abdullah, guide of the Museum, posing at Nizwa Fort, Ad Dakhiliyah Region, Sultanate of Oman, Arabian Peninsula

Guangji Gate Tower, built 1370, the gate leads into Chaozhou ancient city, Paifang street, Chaozhou City. Guangdong Province, China

Hawa Mahal (Palace of the Winds), Jaipur, Rajasthan, India

Mehrangarh Fort, Jodhpur, Rajasthan, India

Electric mountain bike rider crossing river ford on track between Ouarzazate and Ait Ben Haddou, Ounila River valley, Ouarzazate Province, Draa-Tafilalet, Morocco

Palace of Glaoui (Telouet Kasbah), on the outskirts of the village of Telouet, Ouarzazate Province, region of Draa-Tafilalet, Morocco

View of sign at the entrance to Ozaki Shrine, Kanazawa City, Ishikawa Prefecture, Honshu, Japan

View of Japanese rickshaw (jinrikisha) in busy street scene, Asakusa, Taito City, Tokyo, Honshu, Japan

The Forum Romanum (Roman Forum) and The Colosseum (Colosseo), UNESCO, Rome, Lazio, Italy

Al-Hamra village, Akhdar Jebel, Sultanate of Oman, Arabian Peninsula

Guide and Ranger team of the Sharaan Nature Reserve, AlUla, Medina Province, Saudi Arabia

City Palace, Udaipur, Rajasthan, India

Barbican gatehouse at Lewes Castle, Lewes, East Sussex, England, United Kingdom

Camel caravan walking with firewood through Keren, Eritrea, Africa

Guide serving an infusion of Artemisia picked in the Shaumeri Wildlife Reserve, Jordan, Middle East

View of Tokyo Tower from its base against cloudy sky, Shibakoen, Minato City, Tokyo, Honshu, Japan

View over city seen from the Acropolis, Athens, Greece

Historic stone houses and Orthodox church in Chryssafitissa square, Monemvasia, Laconia, Greece

The Grand Canal, Venice, Veneto, Italy

Donkeys, guide and tourists on the path to The Petra Monastery (Al Dayr), Petra Archaeological Park, UNESCO World Heritage Site, one of the New Seven Wonders of the World, Petra, Jordan, Middle East

Guide with tourists at the Angkor Wat Archaeological Park, UNESCO World Heritage Site, Siem Reap, Cambodia, Indochina, Southeast Asia, Asia

Group of tourists with guide, office doors with murals of Diego Rivera, Secretaria de Educacion Building, Mexico City, Mexico, North America

End of desert trek photo, tourist with guide, cook, camel man and donkey, Chigaga, Draa Valley, Morocco, North Africa, Africa

Guide on camel in front of the Step Pyramid of the pharaoh Zoser at Saqqara (Sakkara), UNESCO World Heritage Site, Egypt, North Africa, Africa

Tourists and guide looking at the mosaic map dating from 560 AD, St. George's Church, Madaba, Jordan, Middle East

Miners route, Wieliczka Salt Mine, UNESCO World Heritage Site, Krakow, Malopolska, Poland, Europe

Gaucho guide and tourist on horse at Estancia Alta Vista, El Calafate, Parque Nacional Los Glaciares, UNESCO World Heritage Site, Patagonia, Argentina, South America

Basilica of the Holy Sepulchre, Barletta, Barletta-Andria-Trani, Apulia, Italy

Tourists in a rowing boat with a tour guide on Lake Sandoval, Peruvian Rainforest, South America

Temple guide with a detail of relief carving including hieroglyphics, Kom Ombo, Egypt, North Africa, Africa

Tourists looking at panorama from canopy tower, Soberania Forest National Park, Gamboa, Panama, Central America

Guide in the Ala Archa Canyon, Tien Shan Mountains, Kyrgyzstan, Central Asia, Asia

Tourist climbers follow guide ropes towards Low's Peak, the 4101m summit of Mount Kinabalu, Sabah, island of Borneo, Malaysia, Southeast Asia, Asia

Tourists with tour guide at The Ranakpur Jain Temple at Desuri Tehsil in Pali District of Rajasthan, Western India

Guided tour, Jumeirah mosque, Dubai, United Arab Emirates, Middle East

Tourists listen to tour guide in quaint street in St Emilion, Bordeaux, France

Guide at Mangyongdae farmhouse, claimed as Great Leader's birthplace, Pyongyang, North Korea, Asia

Tourist and guide in Santa Maria della Croce church, Casarana, Lecce, Apulia, Italy, Europe

Guided tour, Jumeirah mosque, Dubai, United Arab Emirates, Middle East

Bullock cart driver, Myanmar, Asia

Guide with tourist at this adobe brick temple pyramid of the Moche people (100BC-AD850) in the desert north, Huaca de la Luna, Trujillo, Peru, South America

A small group in the forest tracking gorillas in the Virunga mountains, from the small village of Ruhengeri, Rwanda, Africa

Beefeater in State Dress giving guided tour to tourists, Tower of London, London, England, United Kingdom, Europe

Beefeater and tour group, Tower of London, London, England, United Kingdom, Europe

Beefeater and tour group, Tower of London, London, England, United Kingdom, Europe