Book Reviews: 09/30/2009 Chicago: A View From the Top By Ken Derry 112 pages; $29.95 Working a tower crane on the Trump tower in Chicago was an operating engineer’s dream. Ken Derry shares his unique and spectacular vantage point in a coffee-table book filled with 101 of the more than 700 “aerial” photographs he took during the three-year project. View Slideshow Derry’s book is a must-have for any enthusiast of architecture, construction and engineering. A 30-year crane veteran and shutterbug, Derry, 53, artfully illustrates the fear, guts, skill and pride it takes to build tall buildings. Seeing workers knock sheets
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.