Chair in front of window, Hotel La Union, Cienfuegos, Cuba, West Indies, Central America

Rock paintings approx. 4000 years old, Tsodilo Hills, UNESCO World Heritage Site, Botswana, Africa

Jarlshof Prehistoric and Norse Settlement, 4000 years old, Sumburgh Head, Mainland, Shetland Islands, Scotland, United Kingdom, Europe

Jarlshof Prehistoric and Norse Settlement, 4000 years old, Sumburgh Head, Mainland, Shetland Islands, Scotland, United Kingdom, Europe

Jarlshof Prehistoric and Norse Settlement, 4000 years old, Sumburgh Head, Mainland, Shetland Islands, Scotland, United Kingdom, Europe

Blacktip reef sharks (Carcharhinus melanopterus) cruising near tourists at Stingray City, Moorea, Society Islands, French Polynesia, South Pacific, Pacific

Jarlshof Prehistoric and Norse Settlement, 4000 years old, Sumburgh Head, Mainland, Shetland Islands, Scotland, United Kingdom, Europe

Nonakado, one of the two Oyu stone circles, 4000 years old, near Towada, northern Honshu, Japan

House in Amish village, Lancaster County, Pennsylvania, USA

Rufus-tailed weaver (Histurgops ruficaudus), Ngorongoro Crater, Tanzania, East Africa, Africa

Tindari lagoon, Tindari, Patti, Messina, Sicily, Italy

Cityscape at dusk with many windtowers (badgirs), Yazd, Iran, Middle East

Jarlshof Prehistoric and Norse Settlement, 4000 years old, Sumburgh Head, Mainland, Shetland Islands, Scotland, United Kingdom, Europe

Jarlshof Prehistoric and Norse Settlement, 4000 years old, Sumburgh Head, Mainland, Shetland Islands, Scotland, United Kingdom, Europe

Gutenfels Castle, Pfalzgrafenstein Castle, Kaub, Rhine Valley, Rhineland-Palatinate, Germany, Europe

Jarlshof Prehistoric and Norse Settlement, 4000 years old, Sumburgh Head, Mainland, Shetland Islands, Scotland, United Kingdom, Europe

Megalithic stone-circles, 5000 to 4000 BC, Almendres Cromlech, near Evora, Portugal, Europe

Jarlshof Prehistoric and Norse Settlement, 4000 years old, Sumburgh Head, Mainland, Shetland Islands, Scotland, United Kingdom, Europe

Megalithic stone-circles, 5000 to 4000 BC, Almendres Cromlech, near Evora, Portugal, Europe

Mekong River and 4000 Islands, Laos, Indochina, Southeast Asia, Asia

Sandy beach on Carp Island, Rock islands, Palau, Central Pacific, Pacific

Mekong River and 4000 Islands, Laos, Indochina, Southeast Asia, Asia

Parliament Building, Bridgetown, Barbados, West Indies, Caribbean, Central America

View of the ocean with Spa On the Rocks at Ayana Resort and Spa, Bali, Indonesia, Southeast Asia, Asia

Saint-Louis cathedral, Blois, Loir-et-Cher, France, Europe

Stormy winter evening at Wembury Bay on the South Devon coast, Devon, England, United Kingdom, Europe

Giant groundsels growing at 4000 metres on the slopes of Mount Kilimanjaro, Tanzania, East Africa, Africa

Fresques de Bel-Air (Murals), 4000 square metres of council housing buildings painted in trompe-l'oeil style, designed by CiteCreation, Chartres, Eure-et-Loir department, Centre-Val de Loire region, France, Europe

Fresques de Bel-Air (Murals), 4000 square metres of council housing buildings painted in trompe-l'oeil style, designed by CiteCreation, Chartres, Eure-et-Loir department, Centre-Val de Loire region, France, Europe

Convent of San Antonio de Padua at dusk, Izamal, Yucatan State, Mexico

Fresques de Bel-Air (Murals), 4000 square metres of council housing buildings painted in trompe-l'oeil style, designed by CiteCreation, Chartres, Eure-et-Loir department, Centre-Val de Loire region, France, Europe

Fresques de Bel-Air (Murals), 4000 square metres of council housing buildings painted in trompe-l'oeil style, designed by CiteCreation, Chartres, Eure-et-Loir department, Centre-Val de Loire region, France, Europe

Fresques de Bel-Air (Murals), 4000 square metres of council housing buildings painted in trompe-l'oeil style, designed by CiteCreation, Chartres, Eure-et-Loir department, Centre-Val de Loire region, France, Europe

Panoramic of the ice tongue of Aletsch Glacier from Eggishorn viewpoint, Bernese Alps, Canton Valais, Switzerland, Europe

Wall Paintings, Tomb of Sennedjem, TT1, Deir el-Medina, Ancient Thebes, UNESCO World Heritage Site, Luxor, Egypt, North Africa, Africa

Kyaiktiyo Pagoda (Golden Rock) after sunset, Mon state, Myanmar (Burma), Asia

A giant groundsel growing at 4000 metres elevation under the Barranco Wall of Mount Kilimanjaro, Tanzania, East Africa, Africa

St. Stephen's Cathedral and Veste Oberhaus fortress in Passau, Germany, Europe

Laughing Gulls shoreline and beach at Anna Maria Island, Florida, USA

Copper tools, radiocarbon dated to 4000 BC, Ashmolean Museum, Oxford, Oxfordshire, England, United Kingdom, Europe

Morning mists in Rio Negro region of Amazon rainforest, Amazonas State, Brazil, South America

Neolithic burial chamber built between 4000 and 2000BC for communal burial of the dead, it would originally have been covered with earth or stones, Bodowyr Burial Chamber, Anglesey, North Wales, United Kingdom, Europe

Solar Funeral boat, thought to be at least 4000 years old, in its purpose built museum near the Pyramids, Giza, near Cairo, Egypt, North Africa, Africa

Cave paintings between 4000 and 5000 years old, Gruta do Janelao, Peruacu, Minas Gerais state, Brazil, South America

Getty Center, Los Angeles, California, United States of America, North America

New Grange, a 4000 year old Neolithic Tomb, County Meath, Leinster, Republic of Ireland, Europe

4000 year old Standing stones on the Glen Gorm estate near Tobermory, Isle of Mull, Scotland, UK.

Mount Rushmore National Monument, South Dakota, United States of America, North America

The summit of the 4000 metre peak of Mont Blanc du Tacul above Chamonix, Haute Savoie, France, Europe

Climbers on the 4000 metre peak of Mont Blanc Du Tacul above Chamonix, Haute Savoie, France, Europe

A snow bunting at 4000 feet on Aonach Beag threatened as a British breeding bird by global warming as its Arctic mountain habitat is becoming snow free, Scotland, United Kingdom, Europe

Viuew from the summit of the 4000 metre peak of Mont Blanc du Tacul above Chamonix, Haute Savoie, France, Europe

Climbers on the 4000 metre peak of Mont Blanc Du Tacul above Chamonix, Haute Savoie, France, Europe

Climbers nearing the summit of the 4000 metre peak of Mont Blanc Du Tacul above Chamonix, Haute Savoie, France, Europe

Climbers on the summit of the 4000 metre peak of Mont Blanc Du Tacul above Chamonix, Haute Savoie, France, Europe

Climber on the 4000 metre peak of Mont Blanc Du Tacul above Chamonix, Haute Savoie, France, Europe

A Chinese peasant famer on a donkey cart in Heilongjiang province in Northern China, Asia

Climber on the summit of the 4000 metre peak of Mont Blanc Du Tacul above Chamonix, Haute Savoie, France, Europe

The 4000 metre peak of Mont Blanc Du Tacul above Chamonix, Haute Savoie, France, Europe

The Lindblad Expedition ship National Geographic Endeavour operating in and around the Antarctic peninsula in Antarctica

Astronomer Vance Petriew at the eyepiece of his 20-inch Dobsonian reflector telescope, at the 2012 Saskatchewan Summer Star Party in Cypress Hills, SK. This is a single 20 second exposure with the Canon 5DMkII at ISO 4000, and 24mm Canon L-series lens at f/2. A faint aurora adds the horizon colours. The photo was taken on the occasion of the second return of Comet Petriew 185/P since its discovery 11 years earlier in 2001 at this very same location.

watercress salad with mango

Midwife, Blood Sample For Guthrie Test

Guam

House at the Mekon in rain, 4000 Islands, Laos, Southeast Asia

CHL, Chile, Atacama Desert: lake Laguna Verde, 4000 metres high.

Historic stone etchings, petroglyphes, about 4000 years old, Atlatl Rock, Valley of Fire State Park, Nevada, USA

Barre des Ecrins 4.102 m, Glacier Blanc, Provence-Alpes-Cote de Azur, Hautes-Alpes, France

Historic stone etchings, petroglyphes, about 4000 years old, Atlatl Rock, Valley of Fire State Park, Nevada, USA

A male mountaineer is standing on the summit of the Barrhorn, a mountain peak of 3610 meter in the Swiss Alps. It is one of the highest summits in Europe to be accessible to experienced hikers. The region of Wallis is home to over 40 mountain peaks higher than 4000 meter. The highest one that is completely situated within the Swiss borders is the Dom, which is visible in the background. The Mattertal runs from Visp all the way to Zermatt and is a paradise for all outdoor enthusiasts, like hikers, climbers, alpinists, walkers, mountain bikers and nature lovers.

A female hiker on her way to the Wannihorn, a mountain peak in the Swiss Alps, close to Zermatt. In the background is the Weisshorn range. This region of Wallis is home to over 40 of 4000 meter peaks and a paradise for outdoor enthusiasts like climbers, hikers, mountainbikers, trailrunners and nature lovers.

Monument Near The Sea Of Galilee Where Jesus Fed The 4000, Galilee, Israel

NEW ZEALAND NORTH ISLAND TAUPO WAIKATO SUNSET ACROSS LAKE TAUPO FROM ROUTE 1 TWO MILE BAY TOWARDS ACACIA BAY ON THE OPPOSITE SIDE OF THE LAKE Antipodean Oceania 2 One Scenic

Ireland, County Sligo, Carrowmore, Dolmen at Carrowmore Megalithic site 4000 BC approx.

Ireland, County Sligo, Carrowmore, Dolmen at Carrowmore Megalithic site 4000 BC approx.

Dating from the Neolithic Period 4000-2500 BC this site is one of the finest examples of a Court Cairn in Ireland, It has a cairn entrance passage an oval court and a double chamber gallery, Creevy Keel, County Sligo, Republic of Ireland

A boy in swimming trunks jumping over waves on the sea shore, England

Caribbean reef shark (Carcharhinus perezi), Bahamas, Atlantic Ocean, Central America

Woman relaxing in spa