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I'd go with different. They missed a bet not putting the two videos one above the other and matched in speed.
It's interesting to watch the lines approach from the left. There's some initial noise that damps down to straight lines, but they aren't erased so it obscures the initial approach. There appears to be turbulence building up ahead of the rooftop container, it might be caused by the airgap between the topper and roof.
The topper seems to create a locked in rolling vortex ahead of the trailer, similar to a half-tonneau cover on a pickup.
What do you think about the area above and behind the trailer? With the container the disturbed air rises higher, even out of the rendered flow lines, but it looked somehow more orderly to me.
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