More than 150 members of the Huaorani Tribe and other tribes in Ecuador marched in the capital of Quito on Tuesday to protest oil development in the Amazons.
The tribes were joined by environmentalists who say drilling by Petrobras, the oil firm owned by the government of Brazil, is destroying the environment.
Petrobras has rights to drill in the Yasuni National Park, where the Huaorani people live.
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