John Shaw / Abandoned house in middle of a wheat field. Palouse farming area, south eastern Washington, USA, August.

Cyril Ruoso / Woman with baby looking at Sisal (Agave sisalana) fibres drying for rope making, Berenty Reserve, Madagascar.

Enrique Lopez-Tapia / Close up of Sisal (Agave sisalana) Berenty, south Madagascar.

David Pattyn / Verreaux's sifaka (Propithecus verreauxi) jumping across a sisal plantation, Berenty Private Reserve, southern Madagascar, August 2016.

David Pattyn / People who work and live on the sisal plantations at the edge of Berenty Private Reserve, southern Madagascar, August 2016.

David Pattyn / Workers returning from Sisal plantations in tractor and trailer along dirt track, Berenty Private Reserve, southern Madagascar, August 2016.

Chien Lee / Sisal (Agave sisalana) plantation for production of fiber, Amboasary, Madagascar

Mark MacEwen / Aerial view of Sisal (Agave sisalana) plantation alongside spiny forest containing Octopus trees (Didiera madagascariensis) Berenty, Madagascar, October 2015.

Mark MacEwen / Aerial view of Sisal (Agave sisalana) plantation alongside spiny forest containing Octopus trees (Didiera madagascariensis) Berenty, Madagascar, October 2015.

Mark MacEwen / Aerial view of Sisal (Agave sisalana) plantation alongside spiny forest containing Octopus trees (Didiera madagascariensis) Berenty, Madagascar, October 2015.

Cyril Ruoso / Sisal (Agave sisalana) fibres drying for rope making, Berenty Reserve, Madagascar.

Cyril Ruoso / People collecting Sisal (Agave sisalana) leaves to dry and make into ropes, Berenty Reserve, Madagascar.