pittsburgh skyline illuminated with roberto clemente bridge and andy warhol bridge spanning the allegheny river at night in pennsylvania, usa - rivière allegheny photos et images de collection
Barge is navigated along the Allegheny River to the GenOn Cheswick Power Station, which still burns coal to produce 637 megawatts of electricity for...
downtown city skyline at night, pittsburgh, pennsylvania, usa - rivière allegheny photos et images de collection