Lincoln Memorial Reflecting Pool Blue Floor Painting Washington DC United States // WASHINGTON, D.C. — Workers seal and paint the floor of the drained Lincoln Memorial Reflecting Pool a vibrant blue on the National Mall, Monday, April 27, 2026. Designed by architect Henry Bacon in 1922, the 2,029-foot-long basin is a central element of the capital's Beaux-Arts landscape. The specialized blue sealant waterproofs the concrete substrate while optically deepening the shallow water to enhance its mirror-like reflection of the Washington Monument. This cyclical maintenance prevents structural degrad

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