Roof on 2π Photoshttps://www.2pi.photos/tags/roof/Recent content in Roof on 2π PhotosHugoen-usSat, 07 May 2022 18:50:08 -0400Pittsburgh - David L. Lawrence Convention Center Roofhttps://www.2pi.photos/panos/pittsburgh-david-l-lawrence-convention-center-roof/Sat, 07 May 2022 18:50:08 -0400https://www.2pi.photos/panos/pittsburgh-david-l-lawrence-convention-center-roof/Pittsburgh’s convention center.