A 10-person design-competition jury, working for the Smithsonian Institution, has picked the team of Freelon Adjaye Bond/SmithGroup to design a home for the National Museum of African American History and Culture. The site for the $500-million project is on the National Mall near the Washington Monument in Washingtin, D.C. The team selected consists of the Freelon Group, Adjaye Associates, Davis Brody Bond and SmithGroup. The design phase will last up to three years. Construction is scheduled to begin in 2012 and finish in 2015. Photo: Freelon Adjaye Bond/Smithgroup
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.