Related Links: Imagining Construction's Future Rain streamed past the slim oval window as a storm brewed over Shanghai. Snippets of news coverage labeled it the worst ever to hit the city. Alan Zhang saw that his plane was approaching the thicket of skyscrapers in the Pudong district, swathed in smog and heavy storm clouds. The Yangtze River, usually clogged with cargo ships and ferries, was empty. The closer the plane got, the uneasier Alan felt. The place looked dead, a ghost town.This nightmare of a trip started when he received a cryptic message from Father early that morning. He had
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.