Guy Edwardes / Lanyon Quoit ancient burial chamber, Madron, Cornwall, England, UK. September 2015.

Paul Harcourt Davies,Paul Harcourt Davies / Lesser Horseshoe Bat (Rhinolophus hipposideros) hibernating in an Etruscan tomb, Podere Montecucco, near Orvieto, Umbria, Italy, November

Nick Upton / Neolithic Dolmen de Fontanaccia portal tomb ("The Devil's Forge") erected around 6000 years ago. Cauria, Corsica, France, May 2010.

Wild Wonders of Europe / Hermansen / Poulnabrone Dolmen, a stoneage portal tomb, The Burren, County Clare, Republic of Ireland, June 2009

Juan Carlos Munoz / Dolmen Cajiron II, a megalithic tomb. Valencia de Alcantara, Sierra de San Pedro, Extremadura, Spain. September.

Daniel Heuclin / Landscape with a Chullpa / funeray tower. Ceremonial tomb from between 1200-1450 AD, San Juan del Rosario, Bolivia.

Daniel Heuclin / Human remains inside a Chullpa / funeray tower. Ceremonial tomb from between 1200-1450 AD, San Juan del Rosario, Bolivia.

Daniel Heuclin / Deformed skull with sloping forehead, found at Chullpa / funeray tower. Ceremonial tomb from between 1200-1450 AD, San Juan del Rosario, Bolivia.

Daniel Heuclin / Deformed skull with sloping forehead, found at Chullpa / funeray tower. Ceremonial tomb from between 1200-1450 AD, San Juan del Rosario, Bolivia.

Daniel Heuclin / Landscape with a Chullpa / funeray tower. Ceremonial tomb from between 1200-1450 AD, San Juan del Rosario, Bolivia.

Francisco Marquez / Sycamore tree growing overand partly embedded in the wall of of the revered sheik Ansar Ahmed mosque, City of Harar, Ethiopia. February 2008.

Francisco Marquez / Tree next growing next to old tomb, City of Harar. February 2008.

Ingo Arndt / Humayun's Tomb and courtyard, built in 1570, a World Heritage Cultural Site, UNESCO, the first garden tomb on Indian subcontinent, Delhi, India

Will Watson / Llech-y-Drybedd Dolmen / Neolithic Chambered Tomb with a 20 ton capstone delicately balanced on 3 uprights, north of the Presceli Hills, Molygrove, Pembrokeshire, Wales, UK, September.

Nick Turner / Aerial view of Belas Knap, a neolithic chambered long barrow on the Cotswold Way, Winchcombe, Gloucestershire, UK. Shot by aerial drone with CAA permit. January 2016.

Nick Turner / Aerial view of Belas Knap, a neolithic chambered long barrow on the Cotswold Way, Winchcombe, Gloucestershire, UK. Shot by aerial drone with CAA permit. January 2016.

Nick Turner / Aerial view of Belas Knap, a neolithic chambered long barrow on the Cotswold Way, Winchcombe, Gloucestershire, UK. Shot with aerial drone by CAA permit holder. January 2016.

Nick Turner / Aerial view of Belas Knap, a neolithic chambered long barrow on the Cotswold Way, Winchcombe, Gloucestershire, UK. Shot with aerial drone by CAA permit holder. January 2016.

Nick Turner / Aerial view of Belas Knap, a neolithic chambered long barrow on the Cotswold Way, Winchcombe, Gloucestershire, UK. Shot with aerial drone by CAA permit holder. January 2016.

Bernard Castelein / Wood carving meant for using on tombs of Mahafaly tribe, in this case found in private collection of hotel, Anakao Madagascar

Guy Edwardes / Lanyon Quoit ancient burial chamber, Madron, Cornwall, England, UK. March 2010.

Guy Edwardes / Sunrise casting rays through stones of Lanyon Quoit ancient burial chamber, Madron, Cornwall, England, UK. February 2006.

Constantinos Petrinos / Tomb of the Unknown Soldier with Feral pigeons (Columba livia) sitting on the monument located in Parliament Square (Syntagma Square) Attica region, Athens, Greece, Mediterranean, September 2013

Gary K. Smith / West Kennet Long Barrow, Wiltshire, UK, October 2014.

Gary K. Smith / West Kennet Long Barrow, Wiltshire, UK, October 2014.

Bernard Castelein / Wood carvings on Sakalava tomb (tomb on display) in Kirindy Forest, Madagascar.

Steve O. Taylor (GHF) / View from the Bandiagara escarpment looking down onto ancient Tellem tombs. Mali, 2005-2006.

Steve O. Taylor (GHF) / Bandiagara escarpment, looking down onto ancient Tellem tombs. Mali, 2005-2006.

Steve O. Taylor (GHF) / Ancient Tellem tombs, Bandiagara, Mali, 2005-2006.

Steve O. Taylor (GHF) / Ancient Tellem tombs, Bandiagara, Mali, 2005-2006.

David Tipling / Painting from the tomb wall of Nebamun, Thebes, Egypt. Showing Nebamun inspecting flocks of geese and herds of cattle. From late 18th Dynasty, around 1350 BC.

David Tipling / Painting from the tomb wall of Nebamun, Thebes, Egypt. Showing Nebamun inspecting flocks of geese and herds of cattle. From late 18th Dynasty, around 1350 BC.

David Tipling / Detail of mural from the tomb chapel of Nebanum, Thebes, Egypt. Showing Nebamun hunting birds in the marshes around the Nile. From late 18th Dynasty, around 1350 BC?.

David Tipling / 'Meidum geese' a painted stucco of various geese (Red-breasted, Bean and White-fronted Geese) from the Tomb of Nefermaat and Atet, Old Kingdom, c.2620 BC (painted stucco), Egyptian 4th Dynasty (c.261...

David Tipling / From the tomb wall of Nebamun, Thebes, Egypt?Late 18th Dynasty, around 1350 BC.Detail from a scene from part of a wall showing Nebamun inspecting flocks of geese and herds of cattle. He watches as far...

David Tipling / From the tomb wall of Nebamun, Thebes, Egypt?Late 18th Dynasty, around 1350 BC.Detail from a scene from part of a wall showing Nebamun inspecting flocks of geese and herds of cattle. He watches as far...

David Tipling / Mummified falcon from ancient Egypt.

David Tipling / Sculpture from ancient Egypt showing the swallow, a symbol of everlasting life.

David Tipling / Painting from the tomb chapel of Nebanum, Thebes, Egypt. Late 18th Dynasty, around 1350 BC. Nebamun is shown hunting birds, in a small boat with his wife Hatshepsut and their young daughter, in the ma...

David Tipling / Frieze depicting a Cockerel from a tomb at Xanthos in Lycia, Turkey from between 470 and 460 BC. It was a Lycian tradition to sacrifice cockerels and make other sacrificial offerings to the deceased,...

David Tipling / Ancient Egyptian painted stucco of Red-breasted Geese (Branta ruficollis) from 'Meidum geese' from the Tomb of Nefermaat and Atet, Old Kingdom, c.2620 BC / Egyptian 4th Dynasty. Taken at the Egyptian...

David Tipling / Sheet gold vulture that would have been wrapped around body before mummification, From the tomb of the three minor wives of Thutmose III in the Wady Babbanet El-Qurud, Thebes Egypt. From 18th Dynasty...

David Tipling / The Ancient Egyptian painted tomb chapel of Khnumhotep ll featuring remarkably accurate images of birds that include Masked Shrike, Red-backed Shrike, Hoopoe, Redstart, Pintails. This is a scene show...

Will Watson / Arthur's Stone, a Neolithic chambered tomb dating between 3700 and 2700 BC, Golden Valley, Herefordshire, England, May 2013.

Paul Harcourt Davies / Sowbread (Cyclamen hederifolium) in flower, an autumn flowering species, near the Etruscan tombs at Norchia, near VIterbo, Lazio, Italy, October

Paul Harcourt Davies / Yellow Sternbergia (Sternbergia lutea) in flower, growing near the Etruscan tombs at Norchia, near Viterbo, Lazio, Italy, October

Paul Harcourt Davies / Yellow Sternbergia (Sternbergia lutea) in flower, near the Etruscan tombs at Norchia, near Viterbo, Lazio, Italy, October

Paul Harcourt Davies / Yellow Sternbergia (Sternbergia lutea) in flower, near the Etruscan tombs at Norchia, near Viterbo, Lazio, Italy, October

Paul Harcourt Davies / Etruscan rock tombs at Norchia, near Vetralla, Lazio dating from 2nd - 4th century BC. Norchia, near Viterbo, Lazio, Italy, November 2011

Paul Harcourt Davies / Sowbread (Cyclamen hederifolium) an autumn flowering species near the Etruscan tombs at Norchia, near Viterbo, Lazio, Italy, September

Daniel Heuclin / Ceremonial tombs / chullpas from between 1200-1300 AD, Sabaya, Bolivia, October 2008

Daniel Heuclin / Skull and body in a Chullpa / Ceremonial tomb from between 1200-1300 AD, Skull showing cranial deformation, Sabaya, Bolivia, October 2008

Gavin Hellier / Ancient Lycian rock tombs in Myra, near Kale, Eastern Mediterranean, Turkey 2008

Sue Flood / Pavilion at Tu Duc Royal Tomb, Hue, Vietnam

Sue Flood / Tu Duc Royal Tomb, Hue, Vietnam

Sue Flood / Tu Duc Royal Tomb, Hue, Vietnam

Sue Flood / Tu Duc Royal Tomb, Hue, Vietnam

Jim Brandenburg / Dolmen tombs at dusk, Carnac, Brittany, France

Nick Upton / Red Valerian (Centranthus ruber) flowering near tombs and crosses in Arnos Vale Cemetery, Bristol, UK, May.

Pete Oxford / Mopoyo burial site. Here the bodies which are bound in palm leaves are placed under a granite overhang or shallow cave. Orinoco River, Apure Province, Venezuela, February 2009.

Pete Oxford / Mopoyo burial site. Here the bodies which are bound in palm leaves are placed under a granite overhang or shallow cave. Orinoco River, Apure Province, Venezuela, February 2009.

Nick Upton / Neolithic Dolmen de Fontanaccia portal tomb ("The Devil's Forge") erected around 6000 years ago. Cauria, Corsica, France, May 2010.

Nick Upton / Neolithic Dolmen de Fontanaccia portal tomb ("The Devil's Forge") erected around 6000 years ago. Cauria, Corsica, France, May 2010.

Nick Upton / Neolithic Dolmen de Fontanaccia portal tomb ("The Devil's Forge") erected around 6000 years ago. Cauria, Corsica, France, May 2010.

Juan Manuel Borrero / Archaeological site of the Señor de Sipán, showing a reconstruction of the tomb. Sitio Huaca Rajada-Sipán, Lambayeque. Peru November 2009

John Waters / Portal Tomb, Poulnabrone, The Burren, Country Clare, Republic of Ireland.

John Waters / Pantre Ifan Megalithic Tomb, Dawn, Pembrokeshire, Wales

Angelo Gandolfi / Aerial view of the Valley of the Lente, which is dotted with ancient and culturally significant Etruscan tombs. Sorano, Tuscany "Maremma", Italy. April 2009

Angelo Gandolfi / Interior of an Etruscan tomb of "Colombai". Some of the tombs were later turned into dovecotes, to house domestic pigeons. Sovana, Tuscany "Maremma", Italy. March 2009

Angelo Gandolfi / View of the Etruscan tombs at Poggio Prisca cliff. Sovana, Tuscany "Maremma", Italy. December 2008

Inaki Relanzon / Aerial view of traditional Malagassy tombs, Morondava, West Madagascar. November 2008

Oriol Alamany / El Kahzneh (The Treasure) tomb in the old nabatean city of Petra, Jordan, April 2009

Wild Wonders of Europe / Hermansen / Poulnabrone Dolmen, a stone-age portal tomb, The Burren, County Clare, Republic of Ireland, June 2009

Wild Wonders of Europe / Hermansen / Poulnabrone Dolmen, a stoneage portal tomb, The Burren, County Clare, Republic of Ireland, June 2009

Wild Wonders of Europe / Hermansen / Poulnabrone Dolmen, a stoneage portal tomb, The Burren, County Clare, Republic of Ireland, June 2009

Wild Wonders of Europe / Lilja / An old tomb, Akamas Peninsula, Cyprus, May 2009

Angelo Gandolfi / Tomb of St James, Santiago de Compostela Cathedral, Galicia, Spain. July 2008.

Merryn Thomas / Poulnabrone Dolmen, a Neolithic portal tomb on the Burren (large carboniferous limestone pavement), County Clare, Republic of Ireland, May 2009.

Merryn Thomas / Poulnabrone Dolmen, a Neolithic portal tomb on the Burren (large carboniferous limestone pavement), County Clare, Republic of Ireland, May 2009.

Eric Baccega / Le Dehus burial chamber and Neolithic tomb (6500 BC), Guernsey, Channel Islands. May 2009.

Eric Baccega / Les Fouaillages L'Ancresse burial chamber and Neolithic tomb (6500 BC), Guernsey, Channel Islands. May 2009.

Jouan & Rius / Antandroy Tomb decorated with 'aloalo' (sculptured wooden posts set upright on top of the tomb), South Madagascar

Jouan & Rius / Antandroy Tomb decorated with 'aloalo' (sculptured wooden posts set upright on top of the tomb), South Madagascar

Nick Turner / 17th Century tombs at Swinbrook church, Oxfordshire, UK

Juan Manuel Borrero / Tomb of Leonardo da Vinci at the Castle of Amboise in the Loire Valley, France

Roger Powell / Ancient Dolmen (megalithic tomb) in Extremadura, San Vicente de Alcantara, Extremadura, Spain

Roger Powell / Ancient Dolmen in old Olive grove, San Vicente de Alcantara, Extremadura, Spain

Jose B. Ruiz / Holes in Rock, resembling tombs, Los Barruecos NP, Malpartida de Caceres, Extremadura, Spain

Pete Oxford / Antandroy Tombs decorated with 'aloalo' (sculptured wooden posts set upright on top of the tomb - often depicting scenes from the person's life). Southern MADAGASCAR

Pete Oxford / Antandroy Tombs decorated with 'aloalo' (sculptured wooden posts set upright on top of the tomb - often depicting scenes from the person's life). Southern MADAGASCAR

Pete Oxford / Zebu (ox) cart passes Antandroy Tombs. Spiny forest area of southern MADAGASCAR 2005

Staffan Widstrand / Looking across to Pyramids of Giza, ancient wonder of the world, with Cairo in background, Egypt, North Africa

Staffan Widstrand / Aga Khan Mausoleum on river Nile, Aswan, Egypt

Toby Sinclair / Gol Gumbaz, tomb of Mohammed Adil Shah II, Islamic ruler, Karnataka, India

Pete Oxford / Desecrated ancient tomb with skeleton inside, San Juan, Altiplano, Bolivia

Jose B. Ruiz / Interior of Malaga cathedral, Andalucia, Spain