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Lincoln Memorial Reflecting Pool Grows Green Algae

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The Lincoln Memorial seen from the reflecting pool.
http://www.flickr.com/photos/sdho/559199229/
The Lincoln Memorial seen from the reflecting pool.

The National Park Service is trying to remove a thick layer of green algae from the reflecting pool in front of the Lincoln Memorial.

The algae began to cover one end of the reflecting pool less than a month after a $34 million overhaul was completed.

The recent two-year reengineered project was designed to use river water from the Tidal Basin instead of city drinking water. The system is supposed to filter and circulate the water to keep it cleaner than it was in past years.

A Park service spokesperson says the new water system is complex and needs to be fine-tuned. As a result workers are boosting the amount of ozone in the water to in an effort to improve the quality.

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As the Minister of Culture for the Black Panther Party, graphic artist Emory Douglas created striking visual images for the movement's publications and posters.

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Long Criticized In China, Tipping Makes A Comeback At A Few Trendy Restaurants

Viewed for decades as capitalist exploitation, tipping is now being encouraged at some upscale, urban restaurants catering to wealthy, young customers. Restaurateurs insist it's strictly voluntary.
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As the Minister of Culture for the Black Panther Party, graphic artist Emory Douglas created striking visual images for the movement's publications and posters.

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Fact Check: Trump And Clinton Debate For The First Time

NPR reporters and editors are live annotating Monday night's debate. Read the latest fact check, analysis and context here.

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