Personnel, lower left, work on the Lincoln Memorial Reflecting Pool near the base of the Lincoln Memorial, Friday, June 26, 2026, in Washington. (AP Photo/Carolyn Kaster)

A maintenance vehicle carrying a pool skimmer net in the back moves along the Lincoln Memorial Reflecting Pool Friday, June 26, 2026, in Washington. (AP Photo/Carolyn Kaster)

Air Force veteran David Stanton takes a photo of the Lincoln Memorial Reflecting Pool and the Lincoln Memorial from behind a chain link fence Friday, June 26, 2026, in Washington. (AP Photo/Carolyn Kaster)

A maintenance vehicle, right, with a pool skimmer net in the back moves along the Lincoln Memorial Reflecting Pool Friday, June 26, 2026, in Washington. (AP Photo/Carolyn Kaster)

A worker uses a a pool skimmer net at the Lincoln Memorial Reflecting Pool Friday, June 26, 2026, in Washington. (AP Photo/Carolyn Kaster)

FILE - The Lincoln Memorial is visible as Dan DeMocker, of Tacoma Park, Md., slides pieces of ice toward his family as he ice skates on the frozen Reflecting Pool on the National Mall in Washington, Dec. 26, 2022. (AP Photo/Andrew Harnik, File)

FILE - Martin Zich, of Prague, Czech Republic, wades out of the Reflecting Pool on the National Mall in Washington after going in to take photographs, May 31, 2016. (AP Photo/Andrew Harnik, File)

FILE - Many supporters of the Poor People's Campaign wade into the Reflecting Pool during the Solidarity Day program at the Lincoln Memorial in Washington June 19, 1968. (AP Photo)