The National Building Museum has created an unusual oasis — an ocean of 700,000 plastic balls — where D.C. locals and tourists can take refuge from the city's sweltering heat.
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Take A Trip To D.C.’s Indoor Beach, Where It’s Always 75 And Sunny
The National Building Museum has created an unusual oasis — an ocean of 700,000 plastic balls — where D.C. locals and tourists can take refuge from the city's sweltering heat.