by Andrea TOSTA Agence France-Presse CARACAS, Venezuela (AFP) — Alfredo Araya used to dig wells on farms or out in the countryside, but due to a failing water supply he says demand for his services has recently exploded in Venezuela’s capital Caracas. Using a huge drill to perforate the soil, Araya struck the underground aquifer below an apartment bloc in Caracas’ comfortable Los Palos Grandes neighborhood so that residents now have access to water that […]