Crews treat algae in renovated Lincoln Reflecting Pool (opens in new tab)

National Park Service workers poured 12% hydrogen peroxide into the Lincoln Memorial Reflecting Pool on Tuesday after algae turned the newly renovated pool green, days after its more than $14 million refurbishment. The pool, which stretches between the Lincoln Memorial and the Washington Monument on the National Mall, had been repainted “American flag blue” under President Trump’s direction ahead of the 250th anniversary of U.S. independence. The Interior Department said crews also used “high...