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This is a contrast between long-time exposure and short-time exposure. Same photo on both sides; left one was took at an exposition time of 1/4s and right one at 1/200s. No special effects added.
Original resolution of each shot: 3072x2048
Location: Chute aux Rats, Parc du Mont-Tremblant, Québec
If you look well into the falls, you can see someone rising his hands; the head is at the top center and looks like a mask...
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