Group of hikers passing by a large glacial erratic boulder in the Urdini Lakes Valley, Rila Mountain, Bulgaria

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Size: 6676px × 4455px
Location: Rila Nature Reserve and National Park, Rila Mountain, Bulgaria, Balkans, Europe
Photo credit: © Ognyan Yosifov / Alamy / Afripics
License: Licensed
Model Released: No

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