Juan Carlos Munoz / Coloured powders, Kathmandu City, Kathmandu Valley, Nepal. February 2018.

Juan Carlos Munoz / Coloured powder at Pashupatinath Temple, Bagmati River, Kathmandu Valley, Nepal. March 2018.

Gavin Hellier / Colourful powdered dyes for sale in Devaraja Market, Mysore, Karnataka, India, January 2018. Hellier

Gavin Hellier / Colourful powdered dyes for sale in Devaraja Market, Mysore, Karnataka, India, January 2018. Hellier

Chris Mattison / Powdered quaker moth (Orthosia gracilis) Catbrook, Monmouthshire, Wales, UK, April. Focus-stacked image.

John Abbott / Powdered dancer damselfly (Argia moesta) male, Texas, USA, June.

John Abbott / Powdered dancer damselfly (Argia moesta) male, Arkansas, USA, June

John Abbott / Powdered dancer damselfly (Argia moesta) young male, Texas, USA, April.

Enrique Lopez-Tapia / Nalu boy covering himself with blue powder whilst preparing for a ritual dance, Cabedu village, Guinea-Bissau, December 2013.

Bryan and Cherry Alexander / At the end of the Chukchi Festival of Young Reindeer', Rita Votgyrgina, collects small stones to place on burial mound (Melgynvyn) where the powdered bones of sacrificed reindeer are buried, close to...

Simon Colmer / Iporuru (Alchornea floribunda), Budongo Forest Reserve, Uganda. The plant has psychedelic and aphrodisiac properties and the powdered rootbark is used for traditional medicine for malaria.

Ingo Arndt / Powdered Glass Frog (Cochranella pulverata) on leaf, Costa Rica