Suzi Eszterhas / Bornean Orangutan (Pongo pygmaeus) next to signs which say 'Silence please. Respect the orangutans' and 'No Smoking' Tanjung Puting National Park, Borneo, Indonesia.

Pal Hermansen / 6000-7000 years old stone-age rock carvings, Hjemmeluft UNESCO World Heritage site, Alta, Finnmark, Norway.

Sandesh Kadur / In many parts of southwestern India, humans paint themselves as tigers and dance through villages in an act known as Huli Vesha. It depicts man's intrinsic tie to the natural world and shows a deep-ro...

Bryan and Cherry Alexander / Chukchi boy pouring water into mouth of dead seal, a traditional sign of respect. Chukotka, Siberia, Russia.

Bryan and Cherry Alexander / Chukchi boy pouring water into mouth of dead seal, a traditional sign of respect. Chukotka, Siberia, Russia.

Pete Oxford / Pantanal bulls crossing the flooded areas of the Pantanal. These bulls are only used for pulling ox carts and never go to market. The cowboys respect them as hard working animals and leave them to die...

Igor Shpilenok / Villagers come to pay their respect to the dead in the village graveyard on Radunitsa (Tuesday of St. Thomas week), Chukhrai, Bryansk Province, Russia

Jane Burton / Red tricolour Border Collie dog, teaching one of his puppies, 7 weeks old, to respect her father

Paul D Stewart / Portrait of Friedrich Alexander von Humboldt (14th September 1769 - 6th May 1859), Lizars' Steel engraving c 1830 with hand colouring after the 1806 painting by Friedrich Weitsch. A German explorer an...

Paul D Stewart / Portrait of Georges-Louis Leclerc, Comte de Buffon. French naturalist (7 September 1707 - 16th April 1788). Steel engraving 1833 by Robert Hart with later colouring, from the painting by F.H. Drouais...

Suzi Eszterhas / Bornean orangutan (Pongo pygmaeus) swinging amongst signs saying Silence, Respect the Orangutans, No Smoking, rainforest. Tanjung Puting National Park, Indonesia. 2012.