Wheelbarrow images - Joel Sartore

A mason works to instal a rough-faced block foundation for a barn.

A mason works to instal a rough-faced block foundation.

A mason works to instal a rough-faced block foundation for a barn.

Pupunha fruit is transported to a market near Belem, Brazil.

Mountains of sawdust outside a sawmill in Paragominas, Brazil in the Brazilian Amazon.

Mountains of sawdust outside a sawmill in Paragominas, Brazil along the Brazilian Amazon.

The lumber mills in Paragominas, Brazil (on the Amazon River) are surrounded by mountains of sawdust from the old growth timber they process.

National Geographic Photographer and Speaker