Washington D.C. is home to some of the United States’ most prized and revered memorials. To the nearly 24 million people who visited the mall in 2011, the Reflecting Pool was more science project than a scenic and iconic tourist stop. Several key improvements were needed to keep the largest and most famous reflecting pool in the capital sustainable for years to come. The pool, originally constructed in the early 1920s, has been relatively untouched …