The Middle Eastern men gather every year at the annual internal seminar held by their employer, Kleinfelder. They share notes about families, raising children and perhaps trade news from their homeland. For this cluster of Iranian-Americans, this kind of networking is a microcosm of a socio-cultural immigrant phenomenon: They are a generation of engineering talent that came to the U.S. to study and train but never returned to their home country. Photo courtesy of kleinfelder ENGINEERING GEN Makarechi (second from left), Behboodi (second from right), Moossazedeh (right). Graphic by Justin Reynolds A special ENR feature. Related Links: Main Story: Where
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.