As the U.S. government prepares to ramp down military operations in Afghanistan, a new congressional report warns that the billions of dollars being spent in financial aid to the war-torn nation are achieving achieving limited success and calls for more scrutiny on the types of projects, including reconstruction projects, that are funded. AP Wideworld The U.S. must improve oversight of reconstruction contracting in Afghanistan, according to a Congressional report. The government is under pressure to improve quality and sustainability, as it prepares to draw down forces. A worker carries plywood at a security checkpoint under construction near Khoshi in May
Arch dams, classically curved monoliths situated in narrow valleys, are not as common as other types of dams, such as embankment dams and gravity dams. ENR takes a look at some of the biggest arch dams in the world, both completed and under construction.