It wasn't the wind speed, peter, you idiot. It was the resonant frequency. Do your research before speaking up.
If this bridge's a rockin...you better get the f*k out.
Why isn't the camera shaking if the ground supposedly is
Tacoma Narrows nicknamed "Galloping Gertie" in Tacoma, WA. Fell apart due to high winds in 11/1940.
GifBin