By Xiu Ying, Contributing Reporter
RIO DE JANEIRO, BRAZIL - Fuel shortages in Venezuela have caused an unprecedented flow across the Brazilian border. Venezuelans are driving to Brazil to tackle long queues to buy gas in Pacaraima, a border town in Roraima.
Known for the world's cheapest liter of gasoline and for controlling the world's largest confirmed oil reserve, Venezuela is facing an unprecedented crisis over the uncontrollable devaluation of the Bolívar, its national currency . . .