NPR

Landscape Architects Unveil Plans To Save The National Mall's Tidal Basin

With increased car and foot traffic, the ground underneath the Tidal Basin — home to memorials to Thomas Jefferson, FDR and MLK Jr. — is sinking. As sea levels rise, the walkways flood daily.
Increased car and foot traffic coupled with rising sea levels have driven parts of the Tidal Basin area underwater.

Five landscape architects unveiled proposals Wednesday to save the sinking Tidal Basin on the National Mall in Washington, D.C. The plans run the gamut from a conservative approach to radical reimaginings.

The Tidal Basin connects centuries of American history and includes memorials to Thomas Jefferson, Franklin Delano Roosevelt and Martin Luther King Jr. Some 1.5 million people walk along the basin's rim during the annual Cherry Blossom Festival each spring. But with increased car and foot traffic, the ground underneath is dipping. As sea levels rise, the walkways flood daily.

"After 130-some years, we've

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