Oriol Alamany / Moai face at the restored archaeological site of Ahu Ko Te Riku in Tahai Ceremonial Center in Hanga Roa, Easter Island (Pascua or Rapa Nui), Unesco World Heritage Site, November 2004

Roland Seitre / 'The Condor Baby', one of the patterns of the Nazca Lines. These are lines and patterns made around 300-600 AD by removing stones from the desert floor to expose the ground beneath. Their purpose rema...

Roland Seitre / 'The Condor', one of the patterns of the Nazca Lines. These are lines and patterns made around 300-600 AD by removing stones from the desert floor to expose the ground beneath. Their purpose remains u...

Roland Seitre / 'The Hummingbird', one of the patterns of the Nazca Lines. These are lines and patterns made around 300-600 AD by removing stones from the desert floor to expose the ground beneath. Their purpose rema...

Roland Seitre / 'The Hummingbird', one of the patterns of the Nazca Lines. These are lines and patterns made around 300-600 AD by removing stones from the desert floor to expose the ground beneath. Their purpose rema...

Roland Seitre / 'The Spider', one of the patterns of the Nazca Lines. These are lines and patterns made around 300-600 AD by removing stones from the desert floor to expose the ground beneath. Their purpose remains u...

Roland Seitre / 'The Spider', one of the patterns of the Nazca Lines. These are lines and patterns made around 300-600 AD by removing stones from the desert floor to expose the ground beneath. Their purpose remains u...

Roland Seitre / 'The Dog', one of the patterns of the Nazca Lines. These are lines and patterns made around 300-600 AD by removing stones from the desert floor to expose the ground beneath. Their purpose remains uncl...

Roland Seitre / 'The Monkey', one of the patterns of the Nazca Lines. These are lines and patterns made around 300-600 AD by removing stones from the desert floor to expose the ground beneath. Their purpose remains u...

Roland Seitre / 'The Whale', one of the patterns of the Nazca Lines. These are lines and patterns made around 300-600 AD by removing stones from the desert floor to expose the ground beneath. Their purpose remains un...

Roland Seitre / 'The Parrot', one of the patterns of the Nazca Lines. These are lines and patterns made around 300-600 AD by removing stones from the desert floor to expose the ground beneath. Their purpose remains u...

Roland Seitre / 'The Hands', one of the patterns of the Nazca Lines. These are lines and patterns made around 300-600 AD by removing stones from the desert floor to expose the ground beneath. Their purpose remains un...

Roland Seitre / 'The Hands', one of the patterns of the Nazca Lines. These are lines and patterns made around 300-600 AD by removing stones from the desert floor to expose the ground beneath. Their purpose remains un...

Roland Seitre / The 'astronaut' or 'giant', one of the patterns of the Nazca Lines. These are lines and patterns made around 300-600 AD by removing stones from the desert floor to expose the ground beneath. Their pur...

Roland Seitre / Valley, desert and mountains, with the 'Nazca Lines' visible. These are lines and patterns made around 300-600 AD by removing stones from the desert floor to expose the ground beneath. Their purpose r...

Roland Seitre / Carved hornbill bill for examination at the National Fish and Wildlife Forensics Laboratory, Ashland, Oregon, USA

Roland Seitre / Indian artefact feather products for examination at the National Fish and Wildlife Forensics Laboratory, Ashland, Oregon, USA

Roland Seitre / Cookie Sims, mammalogist, examining jewelry made from Indian bear claws at the National Fish and Wildlife Forensics Laboratory, Ashland, Oregon, USA

Roland Seitre / Barry Baker, herpatologist, analysing turtleshell artefacts and samples of turtle shell at the National Fish and Wildlife Forensics Laboratory, Ashland, Oregon, USA

Roland Seitre / Sample artefacts of Mammoth ivory (free trade) and Elephant ivory (protected) at the National Fish and Wildlife Forensics Laboratory, Ashland, Oregon, USA

Roland Seitre / Ed Espinoza with sample artefacts of Mammoth ivory (free trade) and Elephant ivory (protected) at the National Fish and Wildlife Forensics Laboratory, Ashland, Oregon, USA

Oriol Alamany / Moais at dusk on the slopes of Rano Raraku, which was the quarry for all the carved moai, Easter Island (Pascua or Rapa Nui), Unesco World Heritage Site, November 2004

Oriol Alamany / Giant moai statues stand erect at sunrise in Ahu Tongariki, Easter Island (Pascua or Rapa Nui), Unesco World Heritage Site, November 2004

Oriol Alamany / Giant moai statues stand erect at sunrise in Ahu Tongariki, Easter Island (Pascua or Rapa Nui), Unesco World Heritage Site, November 2004

Oriol Alamany / Manavai (stones surrounding a culture) with Taro plant (Colocasia esculenta), Hanga Ho'onu / La Perouse bay, Easter Island / Rapa Nui, Unesco World Heritage Site, November 2004

Oriol Alamany / Ngarau Mata petroglyphs representing Tangata Manu or Bird-Man in the ceremonial village of Orongo, on the volcano Rano Kau, Motu Nui islet with Motu Iti and Motu Kao Kao in the background, Easter Isl...

Oriol Alamany / Moai statue standing erect at the restored archaeological site of Ahu Ko Te Riku in Hanga Roa, Easter Island (Pascua or Rapa Nui), Unesco World Heritage Site, November 2004

Oriol Alamany / Moai statues stand erect at the restored archaeological sites of Ahu Vai Uri and Ahu Tahai in Hanga Roa, Easter Island (Pascua / Rapa Nui), Unesco World Heritage Site, November 2004

Juan Carlos Munoz / Ceramic fountain in village of Vejer de la Frontera, Nr Cadiz, Costa de la Luz, Andalucia, Spain, August 2008

Juan Carlos Munoz / Ceramic frog fountain in village of Vejer de la Frontera, Nr Cadiz, Costa de la Luz, Andalucia, Spain, August 2008

Juan Carlos Munoz / Memorial statue of Guzman El Bueno, a 13th century fisherman who saved the town from a Moorish invasion, Puerto de Tarifa, Cadiz, Parque Natural del Estrecho, Andalucia, Spain, July 2008

Juan Carlos Munoz / Memorial statue of Guzman El Bueno, a 13th century fisherman who saved the town from a Moorish invasion, Puerto de Tarifa, Cadiz, Parque Natural del Estrecho, Andalucia, Spain, July 2008

Tim Laman / Polynesian petroglyph or rock carving on the island of Fatu Hiva, Marquesas Islands, French Polynesia, July 2006

Tim Laman / Polynesian rock art, Puamau site on Hiva Oa, French Polynesia, July 2006

Bryan and Cherry Alexander / Selection of Ulus (traditional Inuit woman's knife), Quebec, Canada, 1998.

Bryan and Cherry Alexander / Traditional Even calendar made from Reindeer antler, that also shows the owner's migration route. Evensk, Magadan Region, Eastern Siberia, Russia, 2006.

Bryan and Cherry Alexander / Koryak reindeer / caribou herder's idols which protect the owner's reindeer. Koryakia, Kamchatka, Siberia, Russia, 1999.

Bryan and Cherry Alexander / Koryak reindeer / caribou herder's idol (circa 1870) which protects the family. Koryakia, Kamchatka, Siberia, Russia, 1999.

Bryan and Cherry Alexander / Ritual objects carved from Walrus ivory (circa 1000 BC - 1000 AD) Bering Strait, Chukotka, Siberia, Russia, 2004.

Bryan and Cherry Alexander / Ritual zoomorphic sculpture in Walrus ivory (circa 1000 BC - 1000 AD) Bering Strait, Chukotka, Siberia, Russia.

Bryan and Cherry Alexander / Ritual zoomorphic sculpture in Reindeer / Caribou antler (circa 1000 BC - 1000 AD) Bering Strait, Chukotka, Siberia, Russia.

Bryan and Cherry Alexander / Harpoon stabiliser carved from Walrus ivory (circa 1000 BC - 1000 AD) Bering Strait, Chukotka, Siberia, Russia.

Bryan and Cherry Alexander / Miniature ritual mask carved from Walrus ivory (circa 1000 BC - 1000 AD) Bering Strait, Chukotka, Siberia, Russia.

Bryan and Cherry Alexander / Ritual zoomorphic sculpture in Walrus ivory (circa 1000 BC - 1000 AD) Bering Strait, Chukotka, Siberia, Russia.

Bryan and Cherry Alexander / Harpoon heads carved from Walrus ivory (circa 1000 BC - 1000 AD) Bering Strait, Chukotka, Siberia, Russia.

Bryan and Cherry Alexander / Harpoon heads carved from Walrus ivory (circa 1000 BC - 1000 AD) Bering Strait, Chukotka, Siberia, Russia.

Bryan and Cherry Alexander / Map of Arctic Ocean showing mountain at the North Pole. Cartographer Petrus Bertius. c.1616.

Bryan and Cherry Alexander / Fine engraving on Reindeer antler sheath of a Sami knife, Finland.