A slow death along the Pilcomayo River

By Daniela Desantis GENERAL DIAZ, BOQUERON, PARAGUAY (Reuters) - In Paraguay, alongside the Pilcomayo River, black vultures flew over a shrinking pond where a group of crocodilian reptiles known as yacare caimans sought refuge. Water from the river, which divides Paraguay and Argentina in the area of ​​the Gran Chaco, was scarce. This is not an uncommon sight in the region of ​​General Diaz, about 700 kilometres (435 miles) northwest of the country's capital Asuncion, whe