They're saying here it's about to go down. This is film taken in Pittsburgh PA today. You will have to listen to the video to get the narrative

Or it could have something to do with a little inspecting;
Department of Defense 🇺🇸
@DeptofDefense
#DYK that the#PITTSBURGh District Dive Team is responsible for inspecting locks and dams and responding to related emergencies on the Monongahela, Allegheny and Ohio rivers? The all-volunteer team is sharing what this
@PittsburghUSACE
mission means to them.
US Army Corps of Engineers - Pittsburgh.mp4
3:01 PM · Sep 16, 2021·Sprinklr
https://twitter.com/DeptofDefense/status/1438578837118464004

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