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Picture taken on August 9, 2014 of people sitting around a bonfire after drinking yage during a ritual in La Calera, Cundinamarca department, Colombia. Yage, a mixture of the Ayahuasca hallucinogenic liana and a psychoactive bush, attracts many people in Colombia, who seek to participate in a traditional indigenous ritual of spiritual and physical healing impossible to realize in many countries where these plants are considered drugs. AFP PHOTO/EITAN ABRAMOVICH (Photo credit should read EITAN ABRAMOVICH/AFP/Getty Images)

Picture taken on August 9, 2014 of people sitting around a bonfire after drinking yage during a ritual in La Calera, Cundinamarca department, Colombia.   Yage, a mixture of the Ayahuasca hallucinogenic liana and a psychoactive bush, attracts many people in Colombia, who seek to participate in a traditional indigenous ritual of spiritual and physical healing impossible to realize in many countries where these plants are considered drugs. AFP PHOTO/EITAN ABRAMOVICH        (Photo credit should read EITAN ABRAMOVICH/AFP/Getty Images)