Bryan and Cherry Alexander / Chukchi girls, with their family's ancestral clan mark painted in reindeer blood on their face, a ritual during the Chukchi 'Festival of the Young Reindeer' during which young reindeer are sacrificed....

Terry Whittaker / 2020VISION / Grey Squirrel (Sciurus carolinensis) climbing over fence in parkland, Regent's Park, London, UK, April 2011. Photographer quote: 'Grey squirrels may be overfed, oversexed and over here, but they are s...

Nick Turner / Autumn mist on Kennet and Avon Canal at Dundas Aquaduct, Bath, UK. September 2015.

Nick Turner / Autumn mist on Kennet and Avon Canal, Dundas Aquaduct, Bath, UK. September 2015.

Nick Turner / Autumn mist on Kennet and Avon Canal at Dundas Aquaduct, Bath, UK. September 2015.

Nick Turner / Autumn mist on Kennet and Avon Canal, Bath, UK. September 2015.

Nick Turner / Barges in autumn mist on Kennet and Avon Canal, Bath, UK. September 2015.

Bryan and Cherry Alexander / The skins and meat from sacrificed young reindeer adorns the inside of a Chukchi Yaranga (tent) during the 'Festival of the Young Reindeer'. Iultinsky District, Chukotka, Siberia, Russia

Bryan and Cherry Alexander / Young girl Nadia Takui eating specially prepared ritual food, including dried reindeer intestine and a sausage made from chopped reindeer meat and fat, during the Chukchi 'Festival of the Young Reind...

Bryan and Cherry Alexander / The men and children of the family place specially prepared food on the ground for the spirits during the Chukchi 'Festival of the Young Reindeer' during which young reindeer are sacrificed. Iultinsk...

Bryan and Cherry Alexander / Nadia Takui, a Chukchi girl, dressed in a traditional reindeer skin Kerker, (knee length coverall) sitting at the edge of the polog (sleeping area) in a Yaranga (tent) at a reindeer herders' summer ca...

Bryan and Cherry Alexander / Reindeer are brought to the camp at first light during the Chukchi 'Festival of the Young Reindeer' begins. Iultinsky District, Chukotka, Siberia, Russia, August 2013.