Related Links: Imagining Construction's Future "For the hero is commonly the simplest and obscurest of men."—Henry David Thoreau“12 minutes and 48 seconds to lunch. [Image of Lunch Items] Total calories: 428. Today’s bonus for arriving on time: [Image of chocolate ice cream] 35 calories”George’s workroom walls flashed.“Will we be seeing you for lunch?”“Yes, Grandma!“ answered George via video. “Let me upgrade this water pipe and I’ll be right there.George, now 16 years old, was a licensed Professional Ocean Engineer (POE). He had just completed the oceanic infrastructure mastery program at the International Oceanic and Atmospheric Administration (IOAA, formerly known as
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.