SCENES FROM PERU'S COCA WAR: Drug enforcement police set a torch to a cocaine laboratory in southeast Peru, on Aug. 21, 2010.
- [Carlos Mandujano/AFP/Getty Images]

An andean woman from Cha'ri, about 150 kms south of Cusco, Peru, performs a coca leaf offering before starting her textile work, 28 January 2008. Cha'ris weavers are part of Inkakunaq Ruwaynin organization which groups eight weavers associations from the south Andean Peruvian area with almost 200 members.
- [JAIME RAZURI/AFP/Getty Images]

Drug enforcement policemen empty sacks of dry coca leaves after finding a clandestine lab in the Apurimac valley rain forest, in southeast Peru, on August 21, 2010.
- [AFP/AFP/Getty Images]

Drug enforcement policemen fly over the rain forest in the Apurimac valley, during an operation to detect clandestine cocaine labs, on August 21, 2010.
- [AFP/AFP/Getty Images]

A woman chews coca leaves during a march to demand the legalization of the coca cultures, in Lima March 12, 2009.
- [AFP/AFP/Getty Images]

Andean priests pray during the celebration of the Indigenous Day and the winter solstice at a popular park in Lima on June 24, 2008.
- [JAIME RAZURI/AFP/Getty Images]

A drug enforcement officer dumping a sack of semi-processed cocaine into an incinerator in Lima. April 30, 2001.
- [EITAN ABRAMOVICH/AFP/Getty Images]

An Andean priest represents an Inca performing with coca leaves in a spiritual ceremony before the inauguration of the IV Indigenous People Summit in Puno, Peru, on May 29, 2009.
- [JAIME RAZURI/AFP/Getty Images]

Andean priests prepare coca leaves for a traditional ritual during the celebration of the Indigenous Day and the winter solstice at a popular park in Lima on June 24, 2008.
- [JAIME RAZURI/AFP/Getty Images]

Drug enforcement policemen get ready to board a helicopter in the base of Palmapampa in Ayacucho, over 500 kilometers (310 miles) southeast of Lima, during an operation to detect clandestine cocaine labs in the rain forest in the Apurimac valley, on August 21, 2010.
- [AFP/AFP/Getty Images]