Police escort a group of miners detained during a police operation to destroy illegal gold mining camps in La Pampa, in the southern Amazon region of Madre de Dios, August 11, 2015. (Photo by Sebastian Castaneda/Reuters)

A woman and her child stand near debris after a police operation to destroy illegal gold mining camps in La Pampa, in the southern Amazon region of Madre de Dios, Peru August 11, 2015. (Photo by Sebastian Castaneda/Reuters)

Police escort a group of miners detained during a police operation to destroy illegal gold mining camps in La Pampa, in the southern Amazon region of Madre de Dios, Peru August 11, 2015. (Photo by Sebastian Castaneda/Reuters)

View of destroyed illegal gold mining camps after a police operation in La Pampa, in the southern Amazon region of Madre de Dios, August 11, 2015. (Photo by Sebastian Castaneda/Reuters)

A helicopter patrols during a police operation to destroy illegal gold mining camps in La Pampa, in the southern Amazon region of Madre de Dios, Peru August 11, 2015. (Photo by Sebastian Castaneda/Reuters)

Peruvian police burn illegal miners' camps during an operation against illegal gold mining camps in La Pampa, in the southern Amazon region of Madre de Dios, Peru August 11, 2015. Picture taken August 11, 2015. (Photo by Sebastian Castaneda/Reuters)

People leave a camp after a Peruvian police operation to destroy illegal gold mining camps in La Pampa, in the southern Amazon region of Madre de Dios, Peru August 11, 2015. Picture taken August 11, 2015. (Photo by Sebastian Castaneda/Reuters)

Peruvian police burn illegal miners' camps during an operation against illegal gold mining camps in La Pampa, in the southern Amazon region of Madre de Dios, Peru August 11, 2015. Picture taken August 11, 2015. (Photo by Sebastian Castaneda/Reuters)

View of destroyed illegal gold mining camps after a police operation in La Pampa, in the southern Amazon region of Madre de Dios, Peru August 11, 2015. (Photo by Sebastian Castaneda/Reuters)

Peruvian police burn illegal miners' camps during an operation against illegal gold mining camps in La Pampa, in the southern Amazon region of Madre de Dios, Peru August 11, 2015. (Photo by Sebastian Castaneda/Reuters)