Several streets downtown were closed while the work was being done.

By: KDKA-TV News Staff

PITTSBURGH (KDKA) — Did you hear or even feel the rumble in downtown Pittsburgh yesterday morning? If so, you aren’t alone.

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Heavy lifting helicopters were brought in to lift new cooling towers on top of the EQT Building.

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Another was placed atop PPG Place.

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(Photo Credit: KDKA Photojournalist Jeremy Stockdill)

Several streets downtown were closed while the work was being done.