The temple complex of Angkor Wat, Angkor, Siem Reap, Cambodia, Indochina, Asia

Dog follows boy carrying bananas in small community outside Iquitos, Amazon River, Peru, South America

Buddhist monks from Punakha Dzong going to the river to meditate, Punakha, Bhutan, Asia

North bank of the Douro River, UNESCO World Heritage Site, Porto, Norte, Portugal, Europe

Franz Xaver (Xavier) Jesuit Church and Reuss River, Lucerne, Switzerland,

Sunny day view of the iconic Tower Bridge over the River Thames,with blue skies and fluffy clouds, London, England, United Kingdom, Europe

Backpacker crosses log bridge on circuit around the park, Torres del Paine National Park, Chile, South America

Backpacker crossing bridge in the Valle Frances, Torres del Paine National Park, Chile, South America

Houseboats, Phnom Penh, Cambodia, Indochina, Southeast Asia, Asia

Riverside walk, Bilbao, Euskadi, Spain, Europe

Chicago River Walk follows the riverside along East Wacker Drive, Chicago, Illinois, United States of America, North America

Riverside Walk in Virgin River Canyon, north of Temple of Sinawava, Zion National Park, Utah, United States of America, North America

Saint-Andre Collegiate Church by the Eure river, Chartres, Eure-et-Loir department, Centre region, France, Europe

St. Peter's Church, Castle Park, Bristol, England, United Kingdom, Europe

Narrowboats on the Regents Canal, Little Venice, London, England, United Kingdom, Europe

Tower Bridge, London, England, United Kingdom, Europe

View from The Glasshouse of the Tyne Bridge and the quayside, Newcastle upon Tyne, Tyne and Wear, England, United Kingdom, Europe

Nightime view across the Duoro River of Porto's south bank, Gaia, housing the cellars of famous Port wine companies, Vila Nova de Gaia, Porto, Norte, Portugal, Europe

View towards Tiber island (Isola Tiberina) on the left, and Ponte Cestio, Rome, Lazio, Italy

Esplanade bridge and downtown core skyscrapers in the background, Singapore

View across the Duoro River towards Porto's historic centre and embankment promenade, UNESCO World Heritage Site, Porto, Norte, Portugal, Europe

Prinsengracht canal, Amsterdam, The Netherlands, Europe

Herd of blue wildebeest (brindled gnu) (Connochaetes taurinus) crossing the Mara River, Masai Mara National Reserve, Kenya, East Africa, Africa

Riverside Walk, Temple of Sinawava, Zion National Park, Colorado Plateau, Utah, United States of America, North America

Tourist boats at the Pak Ou caves, Mekong River near Luang Prabang, Laos, Indochina, Southeast Asia, Asia

Huge golden Buddha on the banks of the Mekong River at Sop Ruak, Thailand, Southeast Asia, Asia

Punting on The Backs, River Cam, Clare College, Cambridge, Cambridgeshire, England, UK, Europe

Cityscape with river Salzach and riverside walk, Salzburg, Austria, Europe

Bicycle racks, Canary riverside walk alongside River Thames, Canary Wharf, Docklands, London, England, United Kingdom, Europe

Riverside walk, Bayeux, Basse Normandie (Normandy), France, Europe

People looking at River Thames, with modern riverside flats beyond, the Canary riverside walk, Docklands, London, England, United Kingdom, Europe

Riverside promenade and gastronomy along the Rhine with television tower in the background, old part of town, Düsseldorf, state capital of NRW, North-Rhine-Westphalia, Germany

riverside walk, gastronomy at the promenade of Duesseldorf, old part of town, state capital of NRW, North-Rhine-Westphalia, Germany

Elephant bull (Loxodenta africana) walks along the river edge. Background is African bushland. Okavango Delta, Botswana, Africa

Steel suspension bridge, Dudh Kosi valley, Solukhumbu, Khumbu, Nepal, Asia

Rheinuferpromenade, Rhine promenade, ramblers on the Rhine, Rheinkniebruecke bridge, Duesseldorf, Rhineland, North Rhine-Westphalia, Germany, Europe

International German Gymnastics Festival 2009 procession, Mainkai, behind Eiserner Steg bridge, West Port, Frankfurt am Main, Hesse, Germany, Europe

City view seen from Philosophers' Walk, Heidelberg, Neckar, Palatinate, Baden-Wuerttemberg, Germany, Europe

City panorama seen from Philosophers' Walk, Heidelberg, Neckar, Palatinate, Baden-Wuerttemberg, Germany, Europe

Cityscape with Old Bridge or Karl-Theodor Bridge, Heidelberg, Neckar, Palatinate, Baden-Wuerttemberg, Germany, Europe

Steel suspension bridge, Dudh Kosi valley, Solukhumbu, Khumbu, Nepal, Asia

City view seen from Philosophers' Walk, Heidelberg, Neckar, Palatinate, Baden-Wuerttemberg, Germany, Europe

City view seen from Philosophers' Walk, Heidelberg, Neckar, Palatinate, Baden-Wuerttemberg, Germany, Europe

City view seen from Philosophers' Walk, Heidelberg, Neckar, Palatinate, Baden-Wuerttemberg, Germany, Europe

Rheinuferpromenade, Rhine promenade, ramblers walking along the Rhine, historic town and Oberkasseler Bruecke bridge at back, Duesseldorf, Rhineland, North Rhine-Westphalia, Germany, Europe

Scenic view of a large herd of blue wildebeest (Connochaetes taurinus) near shore of river while a group of plains zebra (Equus quagga) cross the water, Serengeti National Park, Tanzania, Africa

Scenic view of a large herd of blue wildebeest (Connochaetes taurinus) crossing Mara in two lines, Serengeti National Park, Tanzania, Africa