Algae Invasion in Reflecting Pool Near Lincoln MemorialThe National Park Service is trying to remove a thick layer of green algae from the reflecting pool in front of the Lincoln Memorial less than a month after a $34 million overhaul was completed.
Lincoln Memorial Reflecting Pool Reopens In D.C. The reflecting pool in front of the Lincoln Memorial on the National Mall reopened Friday after a two-year, $34 million reconstruction, completing the largest National Park Service project funded by President Barack Obama's economic stimulus package.

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