Zaha Hadid Architects, London, has unveiled its plan for a 525,000-sq-meter office and retail development in New Cairo, Egypt, a satellite district east of Cairo. The Stone Towers development will include 18 office buildings containing 28,000 employees and 1,400 luxury apartments within a 45-acre site surrounding sunken gardens. The project owner is the Rooya Group. New Cairo is already home to 350,000 residents and is targeted as a hub for multinationals living in Egypt. New Cairo’s population is projected to reach 2 million by 2020. Photo: Zaha Hadid Architects
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.