A trip with President Chavez to the largest oil reserve in the world, situated beneath the Orinoco river. It is 10 years since the beginning of the Bolivian revolution.A trip with President Chavez to the largest oil reserve in the world, situated beneath the Orinoco river. It is 10 years since the beginning of the Bolivian revolution.A trip with President Chavez to the largest oil reserve in the world, situated beneath the Orinoco river. It is 10 years since the beginning of the Bolivian revolution.