With construction for London’s 2012 Olympic and Paralympic Games approaching 90% completion, Brazil is taking the construction baton. Officials there have begun procuring a master planner for the next games, set for Rio de Janeiro in 2016. Courtesy Olympic Development Authoority Handball arena, completed this month, is in East London's Olympic Park. London’s Olympic Development Authority, responsible for games-related construction, this month completed the handball arena. ODA had already handed over the main stadium and velodrome, also sited in East London’s Olympic Park.ODA Chief Executive Dennis Hone said that 83% of work at the 200-hectare park had been completed by
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.