Large bags filled with rocks line the Lockhouse at Great Falls, MD, outside Washington DC, to prevent flood waters reaching the house.

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Size: 6016px × 4016px
Location: Olsted Island, Great Falls, MD, USA
Photo credit: © Alan Kolnik / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: &, canal, danger, dc, falls, flood, great, house, island, lock, maryland, olmsted, pool, potomac, river, rocks, sunny, usa, washington