Members of the National Park Service use a water pump to remove algae from the Lincoln Memorial Reflecting Pool following the completion of recent renovations in Washington, DC, on June 16, 2026. The reflecting pool project, undertaken as part of President Donald Trump's preparations for the nation's 250th anniversary, began in April and was completed last week. (Photo by Brendan SMIALOWSKI / AFP via Getty Images)

A worker removes algae from the Lincoln Memorial Reflecting Pool following the completion of recent renovations in Washington, DC, on June 16, 2026. The reflecting pool project, undertaken as part of President Donald Trump's preparations for the nation's 250th anniversary, began in April and was completed last week. (Photo by Brendan SMIALOWSKI / AFP via Getty Images)

A hose used to remove algae is seen inside the Lincoln Memorial Reflecting Pool following the completion of recent renovations in Washington, DC, on June 16, 2026. The reflecting pool project, undertaken as part of President Donald Trump's preparations for the nation's 250th anniversary, began in April and was completed last week. (Photo by Brendan SMIALOWSKI / AFP via Getty Images)

Members of the National Park Service work near the Lincoln Memorial Reflecting Pool following the completion of recent renovations in Washington, DC, on June 16, 2026. The reflecting pool project, undertaken as part of President Donald Trump's preparations for the nation's 250th anniversary, began in April and was completed last week. (Photo by Brendan SMIALOWSKI / AFP via Getty Images)

Soldiers walk near the Lincoln Memorial Reflecting Pool following the completion of recent renovations in Washington, DC, on June 16, 2026. The reflecting pool project, undertaken as part of President Donald Trump's preparations for the nation's 250th anniversary, began in April and was completed last week. (Photo by Brendan SMIALOWSKI / AFP via Getty Images)

Visitors walk near the Lincoln Memorial Reflecting Pool following the completion of recent renovations in Washington, DC, on June 16, 2026. The reflecting pool project, undertaken as part of President Donald Trump's preparations for the nation's 250th anniversary, began in April and was completed last week. (Photo by Brendan SMIALOWSKI / AFP via Getty Images)

Visitors are seen near the Lincoln Memorial Reflecting Pool following the completion of recent renovations in Washington, DC, on June 16, 2026. The reflecting pool project, undertaken as part of President Donald Trump's preparations for the nation's 250th anniversary, began in April and was completed last week. (Photo by Brendan SMIALOWSKI / AFP via Getty Images)

Member of the National Park Service are seen working near the Lincoln Memorial Reflecting Pool following the completion of recent renovations in Washington, DC, on June 16, 2026. The reflecting pool project, undertaken as part of President Donald Trump's preparations for the nation's 250th anniversary, began in April and was completed last week. (Photo by Brendan SMIALOWSKI / AFP via Getty Images)