A fisherman casts a net at the Paraguay River near to Villeta, Paraguay, on Jan, 18, 2012. The paraguay River this month reached the lowest water level in the past 20 years. <Photo: Xinhua/Ubaldo Gonzalez>
A fisherman casts a net at the Paraguay River near to Villeta, Paraguay, on Jan, 18, 2012. The paraguay River this month reached the lowest water level in the past 20 years. <Photo: Xinhua/Ubaldo Gonzalez>
