I saw this on YouTube a while back, and the owners had posted a comment that this was a "park" type trailer and they were in transit with it. They also mentioned that they were stopping at the next exit due to winds. It is scary to watch, but fortunately no one was hurt and all was insured.
2016 Wildcat 29RLX
2011 GMC Sierra 2500HD Duramax CC
Banks tuner, airbox and filter
Rancho RS9000XL's and Firestone airbags
Pullrite Superglide 18k hitch