In this May 6, 2018 photo, children enjoy the waters of the Ucayali river, in San Francisco, a remote village in the Peruvian Amazon. “The Amazon has long had a frontier economy, based on the exploitation of its natural resources,” said Ana Echazu-Boschemeier, an anthropology professor at the Federal University of Rio Grande do Norte in Brazil. “To some extent, shamanic tourism is replicating this savage logic of extractive industries where people and nature have little protection,” she said. (AP Photo/Martin Mejia) (Martin Mejia / AP)