Participants in a Horticulture Walking Tour help plant a tree for Arbor Day in Section 37 of Arlington National Cemetery, April 25, 2015. Commemorating Arlington National Cemetery's 150th anniversary, the historic landscape has been established as the Arlington National Cemetery Memorial Arboretum. The Arboretum serves as a living memorial to those who have served our nation and connects visitors to the rich tapestry of the cemetery's living history and natural beauty. More than 8600 trees of 300 different varieties make up the diverse collection. ( Army photo by Rachel Larue/released)

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Size: 1935px × 1291px
Photo credit: © PJF Military Collection / Alamy / Afripics
License: Licensed
Model Released: No

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