Some blue material at the bottom of the Lincoln Memorial Reflecting Pool is peeling off, days after the pool was painted blue and refilled as part of a multi-million dollar renovation ordered by Presi...

As National Park Service crews try to clean the algae that turned the water bright green, another problem has developed: The “American flag blue” coating is coming off.

The work was a disaster: algae turned the water green and paintwork peeled off the bottom.