Cocalero is the name given to a coca leaf grower in the regions of Peru and Bolivia. In addition to having several ritual and medicinal uses in indigenous cultures, coca is also the main plant ingredient of cocaine. Read on...
Watch the team go whitewater rafting down some tricky rapids.
See the images sent back from the lower Andes.
To protect the security of the crew, blogs are posted on the site three to five weeks after they are sent
"We've done it. We've reached the port of Belem, the gateway of the Amazon..."
Watch the Amazon trailer