Courtesy of O Empreiteiro Brazilian architect Oscar Niemeyer, dead at 104, created the modern city of Brasilia and other iconic buildings around the world. Courtesy of government of Brazil As in this 1950s-era cathedral in Brasilia, Niemeyer's emphasis on curves pushed Brazilian engineers to new levels of innovation to accommodate the untested designs. Related Links: Architectural Record slideshow of Oscar Niemeyer's well known buildings Homepage (in English) of Brazil Construction Publication O Empreiteiro The idea of moving Brazil's capital to the undeveloped interior dated to 1789, but it took until 1957 for work to begin. Brazilian architect Oscar Niemeyer, along
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.