【有哥在】評論

(A) Its construction lasted for more than a decade.The dam, constructed between 1931 and 1936(B) It is strong in functionality, but plain in design.Gordon B. Kaufmann redesigned the exterior. Allen Tupper True created symbolic patterns on the walls and floors, which appear both ancient and modern.(C) Its site stretches over two states in the United States.(D) It became famous because it led to the discovery of Black Canyon.Today, Hoover Dam has become a national historic landmark. Standing at more than 725 feet abovethe Colorado River, the highest concrete dam in the Western Hemisphere continues to draw crowds 85years after its creation, attracting more than a million visitors a year