Just over a week after Lincoln Memorial Reflecting Pool renovation, algae has returned to affect the iconic landmark.

The Trump administration is deploying hydrogen peroxide treatments and advanced filtration technology to combat the murky green water.

Workers say cleaning the pool could take a lifetime despite officials saying new nanobubbler technology has destroyed the algae.

AI-generated summary was reviewed by a CNN editor.

President Donald Trump’s more than $13 million Lincoln Memorial Reflecting Pool renovation was completed just over a week ago, with its iconic 2,800 square feet refilled with 6.5 million gallons of clean water.