usdagov 4566555100 10di1324-066

---

Size: 1870px × 1336px
Photo credit: © Nature and Science / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 10di1324, arbor, arboretum, billie, campus, center, charter, city, day, dc, event, herb, herbs, keywords, location, national, osec, park, parus, people, places, public, secretary, society, tanya, tom, trinidad, vilsack, washington, zastrow