Related Links: ENR's 2012 The Year In Construction Photo Contest Winners ENR Photo Contest Archives Runners-Up This issue of ENR showcases the winners of our 12th annual Year in Construction photo contest. We are delighted to share the results. Delivering the contest winners is like building a fine watch for five months by selecting just 38 pieces from 1,564 parts. We are indebted to this year' judges for crafting this outstanding result.We seat new judges every year to gain fresh eyes. And we seek expertise from inside and outside the ENR staff. The judges have one marathon session in December
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.