Disney Concert Hall Redux As president of the owner/operator of Walt Disney Concert Hall in Los Angeles, I read with interest the article on Frank Gehry’s Beekman Tower. While it was generally informative, I wish to correct serious errors in the first paragraph. Walt Disney Concert Hall is a complex structure perfectly designed and suited to its purpose. As such, the design and construction team were, indeed, confronted with challenges that far exceed those of Beekman Tower. To say that Disney Hall was “tortuous” to build is like saying a Wagner opera is “tortuous” to perform. Such profoundly important and
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.