Flip Nicklin / Bearded Seal (Erignathus barbatus) male resting on ice floe with head dyed red from the high iron content of ocean mud in which he hunts for shrimp and clams, Svalbard, arctic Norway

Gavin Hellier / Colourful cloth designs for sale along Jolly Beach, Antigua, Antigua and Barbuda, Leeward Islands, Lesser Antilles, Caribbean, West Indies, 2012

Juergen Freund / Chocolate chip starfish / Horned sea star (Protoreastor nodosus) collected in their thousands for export as decorative objects and souvenirs, coloured with dyes. Indonesia, July 2008

Toby Roxburgh / Hand-dyed scarves on rooftop in the dye souk, Marrakech, Morocco, March 2010.

Toby Roxburgh / Hand-dyed scarves on rooftop in the dye souk, Marrakech, Morocco, March 2010.

Toby Roxburgh / Skeins of freshly dyed wool hang out to dry in an alleyway in the dye souk, Marrakech, Morocco, March 2010.

Michele Westmorland / Young woman shows how local tapa (bark) cloth is dyed and prepared. Village tour and dance performance at Nembao Village, Utupua Island, Solomon Islands May 2008

Shattil & Rozinski / Woman examines dyed wool that is drying in the open air, Nile Delta, Egypt, 2007

Nature Production / Brown-eared Bulbul {Microscelis amaurotis} with mouth dyed yellow with pollen from sucking nectar from Camellia flowers, Tokyo, Japan

Pete Oxford / Colorado indian man with hair dyed with Achiote seeds, Ecuador, Santo Domingo de Los Colorados

Pete Oxford / Colorado indian man with hair dyed with Achiote seeds, Ecuador, Santo Domingo de Los Colorados

Flip Nicklin / Bearded Seal (Erignathus barbatus) adult male resting on ice floe with head dyed red from the high iron content of ocean mud in which he hunts for shrimp and clams, Svalbard, Arctic

Peter Blackwell / Masai warrior, Eunoto ceremony, Mara, Kenya, hair rubbed with ochre,

Christian Ziegler / Embara Indian woman making basket using strong fibers from leaves of various palms that have been treated and dyed, Barro Colorado Island, Panama