History: Four-photograph time-lapse view of activity at a Union Army wharf along Potomac Creek in Virginia during the American Civil War, 1864. Link to animated version in comments. [3000x2304]

http://i.imgur.com/cZ95qk6.jpg via /r/HistoryPorn http://www.reddit.com/r/HistoryPorn/comments/4eyw3c/fourphotograph_timelapse_view_of_activity_at_a/