Secret Washington Garden Has Vital Government Mission

Nestled among the bustling city streets of Washington is a hidden oasis that many Americans don’t know exists. Congress established the U.S. National Arboretum in 1927. Vital scientific research is under way at the sprawling 183-hectare compound. VOA’s Dora Mekouar reports on the arboretum’s critical government mission. Camera: Adam Greenbaum

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