The industrial and manufacturing sector, already care-worn with decades of ‘hollowing out’ as plants moved overseas, continued its slow spiral downward in the last year. The economic crisis that hit in fall 2008 further sapped capital expenditures across the board, and the bankruptcy of two of America’s Big Three automakers this spring contributed to the decline. Photo: DPR Construction Solar-cell manufacturing facilities, like this 45,000-sq-ft design-build plant for Suniva, are a rare bright spot in manufacturing. Photo: Kia Kia is finishing its first auto-assembly plant in the U.S. There are some bright spots, however. New starts have ramped up for
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.